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发明名称
CORROSION PROTECTION
摘要
申请公布号
US3461918(A)
申请公布日期
1969.08.19
申请号
USD3461918
申请日期
1966.08.29
申请人
PHILLIPS PETROLEUM CO.
发明人
ROBERT V. GERNER
分类号
F16L58/10;(IPC1-7):F16L9/02;F16L9/18;F16L9/20
主分类号
F16L58/10
代理机构
代理人
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地址
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