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blasting (638350) 638350
devices for fastening or securing constructional elements ormachine parts together, e.g. nails, bolts, circlips, clamps,clips, wedges, joints or jointing (638350) 638350
engineering elements and units (638350) 638350
general measures for producing and maintaining effectivefunctioning of machines or installations (638350) 638350
heating (638350) 638350
lighting (638350) 638350
mechanical engineering (638350) 638350
thermal insulation in general (638350) 638350
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general tagging of cross-sectional technologies spanning over several sections of the ipc (118480) 118480
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general building constructions (35192) 35192
insulation or other protection of buildings (35192) 35192
roofs (35192) 35192
walls, e.g. partitions (35192) 35192
joints or fittings for pipes (32217) 32217
means for thermal insulation in general (32217) 32217
pipes (32217) 32217
supports for pipes, cables or protective tubing (32217) 32217
cabinets (31692) 31692
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metal-working not otherwise provided for (24327) 24327
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mechanical metal-working without essentially removingmaterial (22543) 22543
punching metal (22543) 22543
vehicles, vehicle fittings, or vehicle parts, not otherwiseprovided for (21506) 21506
shafts (20260) 20260
conversion or distribution of electric power (18529) 18529
generation (18529) 18529
basic electric elements (17539) 17539
land vehicles for travelling otherwise than on rails (16504) 16504
tools or bench devices not otherwise provided for, forfastening, connecting, disengaging or holding (16369) 16369
conveying (16231) 16231
handling thin or filamentary material (16231) 16231
packing (16231) 16231
storing (16231) 16231
brakes (15181) 15181
clutches (15181) 15181
couplings for transmitting rotation (15181) 15181
bearings (15047) 15047
elements or crankshaft mechanisms (15047) 15047
flexible shafts (15047) 15047
rotary bodies other than gearing elements (15047) 15047
working of plastics (14082) 14082
working of substances in a plastic state, in general (14082) 14082
finishing work on buildings, e.g. stairs, floors (13579) 13579
after-treatment of the shaped products, e.g. repairing (13556) 13556
shaping of material in a plastic state, not otherwise providedfor (13556) 13556
shaping or joining of plastics (13556) 13556
installation of electric cables or lines, or of combinedoptical and electric cables or lines (12767) 12767
chemistry (12599) 12599
metallurgy (12599) 12599
motor vehicles (12262) 12262
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frames, casings, or beds of engines or other machines orapparatus not specific to an engine, machine, or apparatusprovided for elsewhere (12206) 12206
stands or supports (12206) 12206
electric techniques not otherwise provided for (12068) 12068
combined operations (11711) 11711
other working of metal (11711) 11711
universal machine tools (11711) 11711
accessories, closures, or fittings therefor (11171) 11171
containers for storage or transport of articles or materials,e.g. bags, barrels, bottles, boxes, cans, cartons, crates,drums, jars, tanks, hoppers, forwarding containers (11171) 11171
packages (11171) 11171
packaging elements (11171) 11171
casings or constructional details of electric apparatus (11054) 11054
manufacture of assemblages of electrical components (11054) 11054
printed circuits (11054) 11054
keys (9375) 9375
locks (9375) 9375
safes (9375) 9375
window or door fittings (9375) 9375
building implements or other building aids, or theiruse (9344) 9344
forms (9344) 9344
handling building materials on the site (9344) 9344
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Patent
06/2020
A fastener may include a plate-shaped connecting base, at least one pair of projecting portions respectively formed in the connecting base, and undercut portions formed in the at least one pair of projecting portions... 
MECHANICAL ENGINEERING | WEAPONS | BLASTING | GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS | HEATING | DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS ORMACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS,CLIPS, WEDGES, JOINTS OR JOINTING | LIGHTING | ENGINEERING ELEMENTS AND UNITS | THERMAL INSULATION IN GENERAL
Patent
Patent
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