Translating means for the counterbalancing carriages in tower cranes
United States Patent 3381826
Inventors:
Pierre, Durand
Publication Date:
05/07/1968
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Assignee:
Richier SA.
Primary Class:
International Classes:
B66C9/14; B66C9/00
Foreign References:
| FR1212461A | ||||
| FR1323411A |