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发明名称
MIKROFON MIT KOERPERSCHALLKOMPENSATION
摘要
申请公布号
DE1762560(B2)
申请公布日期
1971.11.25
申请号
DE19681762560
申请日期
1968.07.06
申请人
发明人
分类号
H04R1/34;(IPC1-7):H04R1/02
主分类号
H04R1/34
代理机构
代理人
主权项
地址
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