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发明名称
Amplificateur à transistors adaptable aux combinés téléphoniques
摘要
申请公布号
FR1215299(A)
申请公布日期
1960.04.15
申请号
FR19580779115
申请日期
1958.11.14
申请人
SOCIETE ARTISTIQUE FRANCAISE;TECHNOFINA
发明人
分类号
H04M1/215
主分类号
H04M1/215
代理机构
代理人
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地址
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