Title:
Grinding device
United States Patent 2773337


Inventors:
Marchi, Arturo DE.
Application Number:
US44578154A
Publication Date:
12/11/1956
Filing Date:
07/26/1954
Assignee:
Marchi, Arturo DE.
Primary Class:
Other Classes:
451/353
International Classes:
B24B55/10
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