Title:
Safety device for workmen on steel structures
United States Patent 2303954
Inventors:
Roke, Albert I.
Publication Date:
12/01/1942
Export Citation:
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Assignee:
Roke, Albert I.
Primary Class:
182/3
Other Classes:
182/190, 248/228.7, 294/85
International Classes:
A62B35/00; E04G21/32; A62B35/00; E04G21/32
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