Patent classifications
B
PERFORMING OPERATIONS; TRANSPORTING
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B26
HAND CUTTING TOOLS; CUTTING; SEVERING
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B26D
CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
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7/00
Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
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B26D7/18
Means for removing cut-out material or waste
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B26D7/1845
by non mechanical means
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B26D7/1854
by air under pressure
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