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经营范围
发明名称
Condenser microphone
摘要
申请公布号
GB1148118(A)
申请公布日期
1969.04.10
申请号
GB19660054803
申请日期
1966.12.07
申请人
TESLA
发明人
分类号
H04R1/38;H04R19/00;H04R19/04
主分类号
H04R1/38
代理机构
代理人
主权项
地址
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