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发明名称
HOUSING FOR A TRANSDUCER AND ITS ASSOCIATED CIRCUIT COMPONENTS FOR USE IN A TELEPHONE INTERCOMMUNICATION OR SPEECH RECORDING SYSTEM
摘要
申请公布号
CA17945(S)
申请公布日期
1950.11.27
申请号
CANDAT0017945F
申请日期
申请人
MODERN TELEPHONES (GREAT BRITAIN) LIMITED, A BRITISH COMPANY
发明人
分类号
主分类号
代理机构
代理人
主权项
地址
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