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- Patents > 2011-03-31
6,294 Patents published on 03/31/11SECTION A HUMAN NECESSITIES (911)
SECTION B PERFORMING OPERATIONS; TRANSPORTING (724)
SECTION C CHEMISTRY; METALLURGY (410)
SECTION D TEXTILES; PAPER (19)
SECTION E FIXED CONSTRUCTIONS (134)
SECTION F MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING (430)
SECTION G PHYSICS (2,010)
SECTION H ELECTRICITY (1,656)