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United States Patent 1961613

Inventors:
Johann, Lessnig
Publication Date:
06/05/1934
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Assignee:
Wolfgang, Schlaffer
Gerhard, Heuser
Laurence, Loffler
Primary Class:
52/385
Other Classes:
52/596, 52/612
International Classes:
B65D90/04; E04F13/08; E04F13/14; E04F15/10