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Thu, 23 October 2014.
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6,294 Patents published on 03/31/11

SECTION 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)