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经营范围
发明名称
Apparatus for transporting oil through pipe lines
摘要
申请公布号
US2284809(A)
申请公布日期
1942.06.02
申请号
US19390300206
申请日期
1939.10.19
申请人
CONTINENTAL OIL COMPANY
发明人
DYER JOSEPH G.;WILKINSON ARCHIE C.
分类号
F17D1/08
主分类号
F17D1/08
代理机构
代理人
主权项
地址
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