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发明名称
GLEICHSTROMKOMPENSATOR MIT SELBSTTAETIGEM ABGLEICH.
摘要
申请公布号
DE1707369(U)
申请公布日期
1955.09.22
申请号
DE195400J3588U
申请日期
1954.06.30
申请人
W. H. JOENS & CO.
发明人
分类号
主分类号
代理机构
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