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发明名称
Appareils téléphoniques
摘要
申请公布号
FR938402(A)
申请公布日期
1948.09.15
申请号
FRD938402
申请日期
1946.03.29
申请人
INTERNATIONAL STANDARD ELECTRIC CORPORATION
发明人
MCLARN ERNEST STEWART
分类号
H04M1/03;H04R1/06
主分类号
H04M1/03
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代理人
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