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- Patents > 2007-04-19
5,242 Patents published on 04/19/07SECTION A HUMAN NECESSITIES (906)
SECTION B PERFORMING OPERATIONS; TRANSPORTING (743)
SECTION C CHEMISTRY; METALLURGY (327)
SECTION D TEXTILES; PAPER (40)
SECTION E FIXED CONSTRUCTIONS (95)
SECTION F MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING (285)
SECTION G PHYSICS (1,506)
SECTION H ELECTRICITY (1,340)