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经营范围
发明名称
MICROPHONE ASSEMBLY
摘要
申请公布号
IE21483(L)
申请公布日期
1953.12.13
申请号
IE19530000237
申请日期
1953.05.04
申请人
STANDARD TELEPHONES AND CABLES LIMITED
发明人
分类号
H04M1/02;H04R1/30;(IPC1-7):H04R1/30
主分类号
H04M1/02
代理机构
代理人
主权项
地址
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