Title:
Retrieving mechanism
Document Type and Number:
United States Patent 2159004
Inventors:
Bosch Jr., Henry
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Publication Date:
05/23/1939
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Export Citation:
Assignee:
Bosch Jr., Henry
Primary Class:
Other Classes:
160/312, 242/385.100, 191/12.20R, 191/12R
International Classes:
E06B9/90; E06B9/80