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发明名称
Microphones pour installations extérieures
摘要
申请公布号
FR57883(E)
申请公布日期
1953.09.18
申请号
FRD57883
申请日期
1947.12.19
申请人
INTERNATIONAL STANDARD ELECTRIC CORPORATION
发明人
CRAGG WILLIAM DONALD;GAYFORD MICHAEL LAWRENCE
分类号
H04M1/11;H04R1/08
主分类号
H04M1/11
代理机构
代理人
主权项
地址
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