Patent classifications
B
PERFORMING OPERATIONS; TRANSPORTING
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B65
CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
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B65B
MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
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57/00
Automatic control, checking, warning, or safety devices
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B65B57/02
responsive to absence, presence, abnormal feed, or misplacement of binding or wrapping material, containers, or packages
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B65B57/04
and operating to control, or to stop, the feed of such material, containers, or packages
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