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Fri, 24 May 2013.
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8,098 Patents published on 12/31/09

SECTION A HUMAN NECESSITIES (1,271)
SECTION B PERFORMING OPERATIONS; TRANSPORTING (932)
SECTION C CHEMISTRY; METALLURGY (609)
SECTION D TEXTILES; PAPER (37)
SECTION E FIXED CONSTRUCTIONS (153)
SECTION F MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING (488)
SECTION G PHYSICS (2,649)
SECTION H ELECTRICITY (1,959)