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发明名称
Capacitor microphones
摘要
申请公布号
US3146308(A)
申请公布日期
1964.08.25
申请号
US19600061185
申请日期
1960.10.07
申请人
RUDOLF GORIKE
发明人
GORIKE RUDOLF
分类号
H04R1/40
主分类号
H04R1/40
代理机构
代理人
主权项
地址
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Display hanger
