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发明名称
Installation de télécommunication.
摘要
申请公布号
CH229316(A)
申请公布日期
1943.10.15
申请号
CHD229316
申请日期
1940.02.17
申请人
BELL TELEPHONE MANUFACTURING COMPANY, SOCIETE ANONYME
发明人
BELL TELEPHONE MANUFACTURING COMPANY, SOCIETE ANONYME
分类号
H04M3/523;H04M3/60
主分类号
H04M3/523
代理机构
代理人
主权项
地址
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