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发明名称
Tub-draining mechanism
摘要
申请公布号
US1744376(A)
申请公布日期
1930.01.21
申请号
US19290332431
申请日期
1929.01.14
申请人
GEORGE FEHN JOHN
发明人
FEHN JOHN GEORGE
分类号
D06F39/08
主分类号
D06F39/08
代理机构
代理人
主权项
地址
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