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Fri, 24 May 2013.
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5,865 Patents published on 04/21/11

SECTION A HUMAN NECESSITIES (1,158)
SECTION B PERFORMING OPERATIONS; TRANSPORTING (666)
SECTION C CHEMISTRY; METALLURGY (450)
SECTION D TEXTILES; PAPER (24)
SECTION E FIXED CONSTRUCTIONS (134)
SECTION F MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING (380)
SECTION G PHYSICS (1,652)
SECTION H ELECTRICITY (1,401)