Interwoven flat-belt-drive apparatus
United States Patent 1475250

Inventors:
August, Sundh
Publication Date:
11/27/1923
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Assignee:
OTIS ELEVATOR CO
Primary Class:
254/266
Other Classes:
474/85, 139/DIG.001, 474/270
International Classes:
F16G1/04; F16G1/00