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- Patents > 2009-04-23
6,315 Patents published on 04/23/09
SECTION A HUMAN NECESSITIES (1,170)SECTION B PERFORMING OPERATIONS; TRANSPORTING (795)
SECTION C CHEMISTRY; METALLURGY (456)
SECTION D TEXTILES; PAPER (26)
SECTION E FIXED CONSTRUCTIONS (140)
SECTION F MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING (420)
SECTION G PHYSICS (1,892)
SECTION H ELECTRICITY (1,416)