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- Patents > 2011-04-07
4,401 Patents published on 04/07/11
SECTION A HUMAN NECESSITIES (832)SECTION B PERFORMING OPERATIONS; TRANSPORTING (540)
SECTION C CHEMISTRY; METALLURGY (282)
SECTION D TEXTILES; PAPER (24)
SECTION E FIXED CONSTRUCTIONS (110)
SECTION F MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING (314)
SECTION G PHYSICS (1,233)
SECTION H ELECTRICITY (1,066)