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发明名称
Gin rib
摘要
申请公布号
US1851977(A)
申请公布日期
1932.04.05
申请号
US19290383371
申请日期
1929.08.03
申请人
MABEL R. SPELLMAN
发明人
CUMPSTON FREDERICK B.
分类号
D01B1/08
主分类号
D01B1/08
代理机构
代理人
主权项
地址
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