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- Patents > 2009-12-31
8,098 Patents published on 12/31/09
SECTION A HUMAN NECESSITIES (1,271)SECTION B PERFORMING OPERATIONS; TRANSPORTING (932)
SECTION C CHEMISTRY; METALLURGY (609)
SECTION D TEXTILES; PAPER (37)
SECTION E FIXED CONSTRUCTIONS (153)
SECTION F MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING (488)
SECTION G PHYSICS (2,649)
SECTION H ELECTRICITY (1,959)