Printing hammer
United States Patent 3279362
Inventors:
Helms, Clifford J.
Publication Date:
10/18/1966
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Export Citation:
Assignee:
DATA PRODUCTS CORP
Primary Class:
Other Classes:
400/157.200, 101/109, 101/93.340
International Classes:
B41J9/10; B41J9/38; B41J9/00