Retractable gangway safety release
United States Patent 2828497
US Patent References:
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- - 0648620


Inventors:
Edward, Matthews
Publication Date:
04/01/1958
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Assignee:
EXXON RESEARCH ENGINEERING CO
Primary Class:
14/71.100
International Classes:
B63B27/14; E01D15/24; B63B27/00; E01D15/00