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经营范围
发明名称
Detector circuits
摘要
申请公布号
US2138731(A)
申请公布日期
1938.11.29
申请号
US19350008741
申请日期
1935.02.28
申请人
INVEX CORPORATION
发明人
CRAIG PALMER HUNT
分类号
G08B13/26
主分类号
G08B13/26
代理机构
代理人
主权项
地址
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