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发明名称
LINE SWITCHING CIRCUIT
摘要
申请公布号
JPH01243742(A)
申请公布日期
1989.09.28
申请号
JP19880071429
申请日期
1988.03.25
申请人
FUJITSU LTD
发明人
NOZAWA KUNIO
分类号
H04L1/22;H04J3/00
主分类号
H04L1/22
代理机构
代理人
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地址
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