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发明名称
GLEICHSTROM-WECHSELSTROM-UMFORMER.
摘要
申请公布号
DE1637266(U)
申请公布日期
1952.04.17
申请号
DE194900D5625U
申请日期
1949.04.13
申请人
HARTMANN & BRAUN A.G.
发明人
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主分类号
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