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经营范围
发明名称
Means for connecting a disposal and a sewer line
摘要
申请公布号
US2537232(A)
申请公布日期
1951.01.09
申请号
US19460713443
申请日期
1946.12.02
申请人
NOTTINGHAM MARK C
发明人
NOTTINGHAM MARK C.
分类号
E03F3/04;F16L21/025
主分类号
E03F3/04
代理机构
代理人
主权项
地址
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