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经营范围
发明名称
Perfectionnements aux générateurs à tubes électroniques
摘要
申请公布号
FR1194576(A)
申请公布日期
1959.11.10
申请号
FRD1194576
申请日期
1958.04.11
申请人
RIBET ET DESJARDINS
发明人
分类号
H03B5/22
主分类号
H03B5/22
代理机构
代理人
主权项
地址
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