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United States Patent 1657193

Inventors:
Paul, Beshers
Publication Date:
01/24/1928
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Assignee:
Paul, Beshers
Primary Class:
52/483.100
Other Classes:
428/120, 428/703, 428/63, 52/361, 428/455, 428/61, 428/45, 428/443, 428/52
International Classes:
E04C2/284; E04C2/26