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发明名称
Pipe-line recovery device
摘要
申请公布号
US2470255(A)
申请公布日期
1949.05.17
申请号
US19470736696
申请日期
1947.03.24
申请人
MARKS BEN D;ELTON DILLON OREL
发明人
MARKS BEN D.;DILLON OREL ELTON
分类号
F16L1/06
主分类号
F16L1/06
代理机构
代理人
主权项
地址
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