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经营范围
发明名称
Résistance électrique réglable
摘要
申请公布号
FR771778(A)
申请公布日期
1934.10.16
申请号
FRD771778
申请日期
1934.04.12
申请人
SIEMENS & HALSKE AKTIENGESELLSCHAFT
发明人
分类号
H01C10/04
主分类号
H01C10/04
代理机构
代理人
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