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发明名称
Safety system for pipe lines
摘要
申请公布号
US2041862(A)
申请公布日期
1936.05.26
申请号
US19300496507
申请日期
1930.11.18
申请人
FORD, BACON & DAVIS, INC.;PHILLIPS PETROLEUM COMPANY
发明人
RHODES GEORGE I.
分类号
F16K17/32
主分类号
F16K17/32
代理机构
代理人
主权项
地址
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