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发明名称
Quick laying pipe line machine
摘要
申请公布号
US3174217(A)
申请公布日期
1965.03.23
申请号
US19610158340
申请日期
1961.12.11
申请人
SHEPPARD ROLAND J;LOFTIN KENITH C
发明人
SHEPPARD ROLAND J.;LOFTIN KENITH C.
分类号
F16L1/024;F16L1/06
主分类号
F16L1/024
代理机构
代理人
主权项
地址
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