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经营范围
发明名称
DYNAMISCHES MIKROPHONSYSTEM
摘要
申请公布号
DE1462235(B2)
申请公布日期
1971.08.12
申请号
DE19651462235
申请日期
1965.10.25
申请人
发明人
分类号
H04R1/22;H04R9/08;(IPC1-7):H04R1/00
主分类号
H04R1/22
代理机构
代理人
主权项
地址
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