Sealing device for storage tanks
United States Patent 2014264

Inventors:
Patrick, Joseph C.
Publication Date:
09/10/1935
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Assignee:
Patrick, Joseph C.
Primary Class:
220/225
Other Classes:
220/901, 220/567.200, 220/560.080, 220/720, 100/211, 48/176
International Classes:
B65D88/48; B65D88/00