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发明名称
Drain valve for laundry tubs
摘要
申请公布号
US2488008(A)
申请公布日期
1949.11.15
申请号
US19470719856
申请日期
1947.01.02
申请人
ELLWANGER GEORGE W;LAYTON GOMER T
发明人
ELLWANGER GEORGE W.;LAYTON GOMER T.
分类号
D06F1/08
主分类号
D06F1/08
代理机构
代理人
主权项
地址
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