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发明名称
Transformer oil composition
摘要
申请公布号
US2225533(A)
申请公布日期
1940.12.17
申请号
US19380221424
申请日期
1938.07.26
申请人
GULF RESEARCH & DEVELOPMENT COMPANY
发明人
DEWEY MILTON A.
分类号
H01B3/22
主分类号
H01B3/22
代理机构
代理人
主权项
地址
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