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Wed, 23 April 2014.
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5,187 Patents published on 02/23/12

SECTION A HUMAN NECESSITIES (884)
SECTION B PERFORMING OPERATIONS; TRANSPORTING (618)
SECTION C CHEMISTRY; METALLURGY (360)
SECTION D TEXTILES; PAPER (22)
SECTION E FIXED CONSTRUCTIONS (116)
SECTION F MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING (368)
SECTION G PHYSICS (1,546)
SECTION H ELECTRICITY (1,273)