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经营范围
发明名称
Elektrisches Schaltelement
摘要
申请公布号
DE559263(C)
申请公布日期
1932.09.17
申请号
DENDATST45729D
申请日期
申请人
STEATIT-MAGNESIA AKT.-GES.
发明人
分类号
H01C1/148;H01G4/224
主分类号
H01C1/148
代理机构
代理人
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