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经营范围
发明名称
KOPFHOERER.
摘要
申请公布号
DE1931225(U)
申请公布日期
1966.01.20
申请号
DE196500S4633U
申请日期
1965.10.25
申请人
SENNHEISER ELECTRONIC DR.-ING. FRITZ SENNHEISER
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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