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发明名称
ISDN TELEPHONE TERMINAL
摘要
申请公布号
JPH02153662(A)
申请公布日期
1990.06.13
申请号
JP19880306873
申请日期
1988.12.06
申请人
RICOH CO LTD
发明人
OKOCHI FUSAKICHI;SUDO YASUO;NAGAO SEIJI
分类号
H04M3/54;H04M1/00;H04M1/253;H04M3/42
主分类号
H04M3/54
代理机构
代理人
主权项
地址
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