B65H 20/38

By changing the direction of mechanism driving the web-roll spindle

Official title: by changing the direction of mechanism driving the web-roll spindle

B65H20/38 (By changing the direction of mechanism driving the web-roll spindle) appears on 3 US grants and 2 published applications in this corpus.

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3
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2
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3
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7
Latest grant
17 Apr 2018