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Title:
Elevator-door closer and check
Document Type and Number:
United States Patent 1543935
Inventors:
Mcgee, Oscar P.
Plaque It!
Sponsored by:
Flash of Genius
Publication Date:
06/30/1925
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Assignee:
Mcgee, Oscar P.
Primary Class:
49/101
Other Classes:
49/359
International Classes:
B66B13/08
;
B66B13/02
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