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发明名称
HOEHENRESONATOR FUER EIN MIKROPHONSYSTEM
摘要
申请公布号
DE1462236(B2)
申请公布日期
1971.07.22
申请号
DE19651462236
申请日期
1965.10.25
申请人
发明人
分类号
H04R1/22;(IPC1-7):H04R1/28
主分类号
H04R1/22
代理机构
代理人
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地址
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