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08/1991
Patent
02/1987
Patent
01/1988, 4
Patent
07/1979
Patent
03/1990
CHEMICAL SURFACE TREATMENT | METALLURGY | COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL | COATING MATERIAL WITH METALLIC MATERIAL | DIFFUSION TREATMENT OF METALLIC MATERIAL | COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY IONIMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL | CHEMISTRY | INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL | SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION | COATING METALLIC MATERIAL
Patent
06/1987
Patent
01/1990
Patent
06/1977
Patent
04/1987
INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATINGCOMPOSITIONS | METALLURGY | TECHNICAL GASES CONTAINING CARBON MONOXIDE | USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATINGINGREDIENTS IN A LUBRICATING COMPOSITION | CHEMISTRY | LUBRICANTS | PETROLEUM, GAS OR COKE INDUSTRIES | PEAT | LUBRICATING COMPOSITIONS | FUELS
Patent
03/1983
HUNTING | FISHING | AGRICULTURE | TRAPPING | ANIMAL HUSBANDRY | MOWING | FORESTRY | HUMAN NECESSITIES | HARVESTING
Patent
06/1982
Patent
05/1989
Patent
12/1978
Patent
08/1977
Patent
10/1981
PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL | THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OFNUTRITIVE QUALITIES, PHYSICAL TREATMENT | FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BYSUBCLASSES A23B - A23J | HUMAN NECESSITIES | FOODS OR FOODSTUFFS | THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
Patent
12/1980
Patent
02/1992
Patent
10/1989
TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS | GLASS | METALLURGY | TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE | MINERAL OR SLAG WOOL | CHEMISTRY | GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS | GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC | CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION ORPROCESSING OF GOODS | MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
Patent
06/1991
TRANSPORTING | PLANING | FILING | METAL-WORKING NOT OTHERWISE PROVIDED FOR | SAWING | MACHINE TOOLS | BROACHING | SCRAPING | SHEARING | LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOTOTHERWISE PROVIDED FOR | SLOTTING | WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS ORPROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL | PERFORMING OPERATIONS | PUNCHING METAL | MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL
Patent
10/1991
Patent
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