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经营范围
发明名称
Electrical apparatus
摘要
申请公布号
US2479222(A)
申请公布日期
1949.08.16
申请号
US19450617872
申请日期
1945.09.21
申请人
EDLEN GEORGE G
发明人
EDLEN GEORGE G.
分类号
G01R23/18
主分类号
G01R23/18
代理机构
代理人
主权项
地址
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