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发明名称
Perfectionnements aux commutateurs automatiques utilisés en téléphonie et autres systèmes similaires
摘要
申请公布号
FR907118(A)
申请公布日期
1946.03.01
申请号
FRD907118
申请日期
1941.12.31
申请人
AUTOMATIC TELEPHONE & ELECTRIC COMPANY LIMITED
发明人
分类号
H01H63/22
主分类号
H01H63/22
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代理人
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