#punching_machine

Punching machine

A punching machine is a machine tool for punching and embossing flat sheet-materials to produce form-features needed as mechanical element and/or to extend static stability of a sheet section. According to the file, Richard Walsh, the county of Grayson, and the State of Texas had invented and applied for US patent in 1894.

Sun 21st

Provided by Wikipedia

Learn More
0 searches
This keyword has never been searched before
This keyword has never been searched for with any other keyword.