Reinforced asbestos sliver
United States Patent 2217049
Inventors:
Greenleaf, John W.
Publication Date:
10/08/1940
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Assignee:
ROCKBESTOS PRODUCTS CORP
Primary Class:
Other Classes:
57/904, 19/145
International Classes:
C04B30/02; D02G3/18; D02G3/20; H01B3/00; C04B30/00; D02G3/02