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经营范围
发明名称
KOPFHOERER-RADIO.
摘要
申请公布号
DE1760633(U)
申请公布日期
1958.01.30
申请号
DE195700P2422U
申请日期
1957.11.14
申请人
DIETHARD PROESDORF
发明人
DIETHARD PROESDORF
分类号
主分类号
代理机构
代理人
主权项
地址
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