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CPC
COOPERATIVE PATENT CLASSIFICATION
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C12L
PITCHING OR DEPITCHING MACHINES; CELLAR TOOLS (cleaning of casks B08B 9/00)
C12L 3/00
Pitching or depitching machines
C12L 9/00
Venting devices for casks, barrels, or the like
C12L 11/00
Cellar tools
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Last Modified: 04/16/2013 4:31:16 PM