Title:
Cutting and grinding tools
Document Type and Number:
United States Patent 2285909
Inventors:
Walther, Dawihl
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Publication Date:
06/09/1942
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Export Citation:
Assignee:
GEN ELECTRIC
Primary Class:
Other Classes:
423/414, 428/574, 419/15, 419/11, 75/241
International Classes:
B24D3/08; B24D3/04