Title:
Heavy-duty portable crane
Document Type and Number:
United States Patent 2380069
Inventors:
Raymond, Peterson Oscar
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Publication Date:
07/10/1945
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Referenced by:
Export Citation:
Assignee:
LETOURNEAU INC
Primary Class:
Other Classes:
280/762, 52/143, 212/195
International Classes:
B66C23/36; B66C23/00