Title:
Mast hoist
United States Patent 1834652
Inventors:
Schmid, Carl G.
Application Number:
US23938127A
Publication Date:
12/01/1931
Filing Date:
12/12/1927
Assignee:
INSLEY MFG COMPANY
Primary Class:
Other Classes:
187/239, 187/369, 187/900
International Classes:
B66B9/187
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