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经营范围
发明名称
DATA COMMUNICATION SYSTEM
摘要
申请公布号
JPH05252285(A)
申请公布日期
1993.09.28
申请号
JP19920049344
申请日期
1992.03.06
申请人
HITACHI SOFTWARE ENG CO LTD
发明人
NAKAJIMA SHIGERO
分类号
H04M11/00;(IPC1-7):H04M11/00
主分类号
H04M11/00
代理机构
代理人
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地址
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