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发明名称
Drainage fitting
摘要
申请公布号
US2201711(A)
申请公布日期
1940.05.21
申请号
US19380214963
申请日期
1938.06.21
申请人
BOOSEY EDWARD W N
发明人
BOOSEY EDWARD W. N.
分类号
E03F7/04
主分类号
E03F7/04
代理机构
代理人
主权项
地址
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