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发明名称
Perfectionnements aux systèmes de transmission de signaux électriques
摘要
申请公布号
FR57776(E)
申请公布日期
1953.09.09
申请号
FRD57776
申请日期
1947.10.02
申请人
INTERNATIONAL STANDARD ELECTRIC CORPORATION
发明人
ARDITI MAURICE;FRANZEL IRWIN HAROLD;FEINSTEIN JOSEPH
分类号
H01J31/04;H04J3/04
主分类号
H01J31/04
代理机构
代理人
主权项
地址
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