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发明名称
Drejehængsel til stetofoner.
摘要
申请公布号
DK95139(C)
申请公布日期
1963.01.14
申请号
DK19600004197
申请日期
1960.10.25
申请人
N. V. PHILIPS' GLOEILAMPENFABRIEKEN
发明人
分类号
H04M;(IPC1-7):H04M
主分类号
H04M
代理机构
代理人
主权项
地址
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