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经营范围
发明名称
EINACHS-DOPPELREGLER.
摘要
申请公布号
DE1634349(U)
申请公布日期
1952.02.07
申请号
DE195100P1933U
申请日期
1951.04.30
申请人
PREH, ELEKTROFEINMECHANISCHE WERKE
发明人
分类号
主分类号
代理机构
代理人
主权项
地址
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