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发明名称
ABSCHIRMVORRICHTUNG FUER KOEPFE IN MAGNETISCHEN SCHALLAUFZEICHNUNGSGERAETEN.
摘要
申请公布号
DE1641038(U)
申请公布日期
1952.07.17
申请号
DE194900D3422U
申请日期
1949.03.12
申请人
GESELLSCHAFT FUER ELEKTRISCHE GERAETE M.B.H.
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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