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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
GB711335(A)
申请公布日期
1954.06.30
申请号
GB19520029040
申请日期
1952.11.17
申请人
CENTRILINE CORPORATION
发明人
分类号
B28B19/00
主分类号
B28B19/00
代理机构
代理人
主权项
地址
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