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THREE-CRANE LIFTING BEAM
United States Patent 3513987
US Patent References:
/0974206.html
- - 0974206
Inventors:
Seyff, Ruediger Maximilian
Publication Date:
05/26/1970
View Patent Images:
Download PDF 3513987
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Assignee:
GEN ELECTRIC CANADA
Primary Class:
212/282
Other Classes:
294/81.300, 212/316
International Classes:
B66C13/00
; B66C19/00
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