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发明名称
CONNECTION SYSTEM BETWEEN DIFFERENT KIND OF COMMUNICATION SYSTEMS
摘要
申请公布号
JPH02302160(A)
申请公布日期
1990.12.14
申请号
JP19890121607
申请日期
1989.05.17
申请人
NIPPON TELEGR & TELEPH CORP <NTT>;OSAKA GAS CO LTD;NORITZ CORP
发明人
KOBAYASHI YOSHIICHI;MAEDA SHIGERU;YAMAGUCHI KUNIO;NISHIKAWA AKITSUGU;YAGOU KATSUYUKI;MATSUDA KAZUTOSHI
分类号
H04M9/00;H04Q3/58
主分类号
H04M9/00
代理机构
代理人
主权项
地址
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