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CPC
COOPERATIVE PATENT CLASSIFICATION
A
HUMAN NECESSITIES
B
PERFORMING OPERATIONS; TRANSPORTING
C
CHEMISTRY; METALLURGY
D
TEXTILES; PAPER
E
FIXED CONSTRUCTIONS
F
MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING ENGINES OR PUMPS
G
PHYSICS
H
ELECTRICITY
Y
GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-OVER TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC
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Last Modified: 4/16/2013 4:31:16 PM