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发明名称
Method of lining with cement mortar underground conduits having branch lines
摘要
申请公布号
US2624095(A)
申请公布日期
1953.01.06
申请号
US19510260490
申请日期
1951.12.07
申请人
CENTRILINE CORPORATION
发明人
CUMMINS JAMES P.
分类号
B28B19/00
主分类号
B28B19/00
代理机构
代理人
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地址
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