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发明名称
Mineral oil composition
摘要
申请公布号
US2087578(A)
申请公布日期
1937.07.20
申请号
US19340729901
申请日期
1934.06.09
申请人
SHELL DEVELOPMENT COMPANY
发明人
NEDERBRAGT GERRIT WILLEM
分类号
H01B3/22
主分类号
H01B3/22
代理机构
代理人
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地址
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