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经营范围
发明名称
Electric treater
摘要
申请公布号
US2513386(A)
申请公布日期
1950.07.04
申请号
US19400326274
申请日期
1940.03.27
申请人
PETROLITE CORPORATION, LTD.
发明人
WATERMAN LOGAN C.;HANSON GORDON B.
分类号
C10G33/02
主分类号
C10G33/02
代理机构
代理人
主权项
地址
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