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经营范围
发明名称
ISOLATOR, INSBESONDERE FUER FERNSPRECHLEITUNGEN OD. DGL.
摘要
申请公布号
DE1787641(U)
申请公布日期
1959.04.30
申请号
DE195900B6510U
申请日期
1959.02.25
申请人
FA. OTTO BACKHAUS
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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