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发明名称
Method of protecting liners and casings
摘要
申请公布号
US2914845(A)
申请公布日期
1959.12.01
申请号
US19530393187
申请日期
1953.11.19
申请人
LUCILE WELLS CRITES
发明人
CRITES VIRGIL C.
分类号
B29C55/24;B29C63/18;B29C67/00;E21B17/12;F16L58/10
主分类号
B29C55/24
代理机构
代理人
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地址
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