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发明名称
Perfectionnements aux radio-électrophones à transistors
摘要
申请公布号
FR1251682(A)
申请公布日期
1961.01.20
申请号
FR19600821724
申请日期
1960.03.18
申请人
发明人
ROUSSET JACQUES-FERNAND
分类号
G11B25/04
主分类号
G11B25/04
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代理人
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