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发明名称
ISDN LINE CONCENTRATOR
摘要
申请公布号
JPH0637859(A)
申请公布日期
1994.02.10
申请号
JP19920210695
申请日期
1992.07.16
申请人
SUMITOMO DENSETSU KK;BETSUKAWA SEISAKUSHO:KK
发明人
SATO NAOYUKI;IKEDA RYUMA
分类号
H04L1/14;H04L29/10;H04M3/00;H04M11/00;(IPC1-7):H04L29/10
主分类号
H04L1/14
代理机构
代理人
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地址
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