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发明名称
ISDN COMMUNICATION SYSTEM
摘要
申请公布号
JPH01318457(A)
申请公布日期
1989.12.22
申请号
JP19880151967
申请日期
1988.06.20
申请人
FUJITSU LTD
发明人
TONE MASAHIRO
分类号
H04N7/173;H04M15/08
主分类号
H04N7/173
代理机构
代理人
主权项
地址
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