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发明名称
DIGITAL CROSS CONNECT CONTROL METHOD
摘要
申请公布号
JPH01146446(A)
申请公布日期
1989.06.08
申请号
JP19870303137
申请日期
1987.12.02
申请人
HITACHI LTD
发明人
NAKANO YUKIO;TAKEMURA YOSHIAKI
分类号
主分类号
代理机构
代理人
主权项
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