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发明名称
Methode om centraal de bedragen vast te stellen voortspruitende uit ruimtelijk gescheiden telecommunicatieschakelstelsels
摘要
申请公布号
BE600173(A5)
申请公布日期
1961.08.14
申请号
BE19610600173
申请日期
1961.02.14
申请人
BELL TELEPHONE MANUFACTURING COMPANY, NAAMLOZE VENNOOTSCHAP
发明人
F. ULRICH
分类号
(IPC1-7):H04M
主分类号
(IPC1-7):H04M
代理机构
代理人
主权项
地址
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