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发明名称
Contact device
摘要
申请公布号
US1900977(A)
申请公布日期
1933.03.14
申请号
US19310507032
申请日期
1931.01.06
申请人
FIRM VOIGT & HAEFFNER A.G.
发明人
CIPPITELLI CESARE
分类号
H01H1/38
主分类号
H01H1/38
代理机构
代理人
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地址
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