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Class Information
Number: 226/54
Name: Advancing material of indeterminate length > Means to engage longitudinally spaced modifications in material > Alternately selectable prongs
Description: Device, provided with at least two prongs (or sets of such prongs) in which one or another of such prongs is optionally operable to contact the variations and move the material.

Patents under this class:

Patent Number Title Of Patent Date Issued

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