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- Patents > 2012-04-12
5,172 Patents published on 04/12/12SECTION A HUMAN NECESSITIES (868)
SECTION B PERFORMING OPERATIONS; TRANSPORTING (598)
SECTION C CHEMISTRY; METALLURGY (311)
SECTION D TEXTILES; PAPER (19)
SECTION E FIXED CONSTRUCTIONS (134)
SECTION F MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING (401)
SECTION G PHYSICS (1,471)
SECTION H ELECTRICITY (1,370)