Title:
Door operating apparatus
United States Patent 1929273
Inventors:
Crago, Harry R.
Publication Date:
10/03/1933
Export Citation:
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Assignee:
GEN ELECTRIC
Primary Class:
49/25
Other Classes:
38/1C, 74/612, 250/208.4, 250/221, 318/480, 361/167, 361/168.1, 361/176, 361/186
International Classes:
E05F15/20; E05F15/20
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