Flexible shafting and method of producing same
United States Patent 1990514
Inventors:
Angell, Robert C.
Publication Date:
02/12/1935
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Export Citation:
Assignee:
WHITE S DENTAL MFG CO
Primary Class:
Other Classes:
464/58, 57/15, 29/435, 57/215, 72/64, 57/17, 29/445, 140/149
International Classes:
D07B3/04; D07B3/00