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- Patents > 2009-01-01
7,306 Patents published on 01/01/09
SECTION A HUMAN NECESSITIES (1,015)SECTION B PERFORMING OPERATIONS; TRANSPORTING (890)
SECTION C CHEMISTRY; METALLURGY (459)
SECTION D TEXTILES; PAPER (42)
SECTION E FIXED CONSTRUCTIONS (125)
SECTION F MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING (438)
SECTION G PHYSICS (2,534)
SECTION H ELECTRICITY (1,803)