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经营范围
发明名称
Perfectionnements aux systèmes téléphoniques automatiques
摘要
申请公布号
FR1083822(A)
申请公布日期
1955.01.12
申请号
FRD1083822
申请日期
1953.09.18
申请人
INTERNATIONAL STANDARD ELECTRIC CORPORATION
发明人
PFAU ANTON
分类号
H04Q3/00
主分类号
H04Q3/00
代理机构
代理人
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地址
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