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Class Information
Number: 72/48
Name: Metal deforming > By tool-couple pressing together adjacent surface portions of same work (e.g., tube-seamer)
Description: Subject matter including a tool couple* for, or a step of using a tool couple for, joining (i.e., securing one to another) two or more juxtaposed margins, parts of the face, or edges of a single piece of work.
Sub-classes under this class:
Patents under this class:
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