Title:
Combination hoist and scaffolding
Document Type and Number:
United States Patent 2364547

Inventors:
Olsen, Harlow R.
Publication Date:
12/05/1944
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Assignee:
Olsen, Harlow R.
Primary Class:
187/244
Other Classes:
182/39, 182/145
International Classes:
B66B9/16




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