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发明名称
Installation téléphonique
摘要
申请公布号
FR951756(A)
申请公布日期
1949.11.03
申请号
FRD951756
申请日期
1947.08.07
申请人
WESTERN ELECTRIC COMPANY, INCORPORATED
发明人
分类号
H04Q1/453;H04Q5/06
主分类号
H04Q1/453
代理机构
代理人
主权项
地址
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