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发明名称
Combined soil waste and vent fitting
摘要
申请公布号
US2312658(A)
申请公布日期
1943.03.02
申请号
US19420442126
申请日期
1942.05.07
申请人
J. A. ZURN MANUFACTURING COMPANY
发明人
LUFF HENRY J.
分类号
E03C1/122
主分类号
E03C1/122
代理机构
代理人
主权项
地址
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