Gastight closure
United States Patent 2088909

Inventors:
Francois, Jaubert George
Publication Date:
08/03/1937
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Assignee:
Francois, Jaubert George
Primary Class:
49/317
Other Classes:
49/477.100, 49/319, 277/646, 277/921, 114/117
International Classes:
E06B5/14; E06B5/10