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经营范围
发明名称
Corona shield
摘要
申请公布号
US2434572(A)
申请公布日期
1948.01.13
申请号
US19440533221
申请日期
1944.04.28
申请人
PHILCO CORPORATION
发明人
MANKIN ARTHUR H.
分类号
G01R15/14
主分类号
G01R15/14
代理机构
代理人
主权项
地址
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