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发明名称
ELECTRONIC SWITCHING TELEPHONE SYSTEM
摘要
申请公布号
CA796834(A)
申请公布日期
1968.10.15
申请号
CAD796834
申请日期
申请人
INTERNATIONAL TELEPHONE AND TELEGRAPH CORPORATION
发明人
WILLIAM KE CHIN YUAN;ERIC G. PLATT;NICHOLAS V. MANSUETTO;DONALD F. SEEMANN;CHARLES P. GRINSTEAD
分类号
主分类号
代理机构
代理人
主权项
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