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发明名称
CROSSBAR SWITCHING SYSTEM PROVIDING AN INCREASED NUMBER OF POSSIBLE PATHS TO A SELECTED REGISTERED GROUP
摘要
申请公布号
US3417206(A)
申请公布日期
1968.12.17
申请号
US19670667862
申请日期
1967.09.14
申请人
HITACHI, LTD.
发明人
WAKABAYASHI KAZUBIKO;ITO KAZUO;OHNO TORU;ITO KAZUO
分类号
H04Q3/00
主分类号
H04Q3/00
代理机构
代理人
主权项
地址
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