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blasting (18) 18
combustion engines (18) 18
heating (18) 18
hot-gas or combustion-product engine plants (18) 18
lighting (18) 18
mechanical engineering (18) 18
weapons (18) 18
supplying combustion engines in general, with combustiblemixtures or constituents thereof (16) 16
controlling combustion engines (8) 8
general tagging of cross-sectional technologies spanning over several sections of the ipc (5) 5
general tagging of new technological developments (5) 5
technical subjects covered by former uspc cross-reference art collections [xracs] and digests (5) 5
combustion engines in general (4) 4
internal-combustion piston engines (4) 4
performing operations (4) 4
transporting (4) 4
actuating-floats (3) 3
climate change mitigation technologies related totransportation (3) 3
cocks (3) 3
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engineering elements and units (3) 3
general measures for producing and maintaining effectivefunctioning of machines or installations (3) 3
taps (3) 3
technologies or applications for mitigation or adaptation againstclimate change (3) 3
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valves (3) 3
physical or chemical processes or apparatus in general (2) 2
separation (2) 2
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applying liquids or other fluent materials to surfaces, in general (1) 1
arrangement or mounting of plural diverse prime-movers invehicles (1) 1
arrangement or mounting of propulsion units or oftransmissions in vehicles (1) 1
arrangements in connection with cooling, air intake, gasexhaust or fuel supply of propulsion units, in vehicles (1) 1
atomising apparatus (1) 1
auxiliary drives for vehicles (1) 1
basic electric elements (1) 1
bottles, jars or similar containers (1) 1
chemistry (1) 1
cracking hydrocarbon oils (1) 1
details of fluid-pressure systems, not otherwise provided for (1) 1
dispensing, delivering or transferring liquids, not otherwiseprovided for (1) 1
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fluid-pressure actuators, e.g. servo-motors (1) 1
fuels (1) 1
hydraulics or pneumatics in general (1) 1
inductances (1) 1
instrumentation or dashboards for vehicles (1) 1
liquid handling (1) 1
lubricants (1) 1
magnets (1) 1
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measuring volume, volume flow, mass flow or liquidlevel (1) 1
metallurgy (1) 1
metering by volume (1) 1
mineral waxes (1) 1
non-positive displacement pumps (1) 1
nozzles (1) 1
opening, closing (1) 1
peat (1) 1
petroleum, gas or coke industries (1) 1
physics (1) 1
positive displacement machines for liquids (1) 1
production of liquid hydrocarbon mixtures, e.g. by destructivehydrogenation, oligomerisation, polymerisation (1) 1
pumps for liquids or elastic fluids (1) 1
recovery of hydrocarbon oils from oil-shale, oil-sand, orgases (1) 1
refining mixtures mainly consisting of hydrocarbons (1) 1
reforming of naphtha (1) 1
selection of materials for their magnetic properties (1) 1
spraying apparatus (1) 1
spraying or atomising in general (1) 1
systems acting by means of fluids in general (1) 1
technical gases containing carbon monoxide (1) 1
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technical subjects covered by former uspc cross-reference artcollections [xracs] and digests (1) 1
testing (1) 1
transformers (1) 1
vehicles in general (1) 1
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03/1987, 4
The filter consists of a cup-shaped housing contg. a filtration insert. The rim of the metal housing is bent outwards to form a shoulder on which a ring bead... 
TRANSPORTING | SEPARATION | PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL | PERFORMING OPERATIONS
Patent
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