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发明名称
TELEPHONE SET FOR DATA COMMUNICATION EQUIPMENT
摘要
申请公布号
JPH01317068(A)
申请公布日期
1989.12.21
申请号
JP19880149762
申请日期
1988.06.16
申请人
RICOH CO LTD
发明人
IIDA SEIJI
分类号
H04M11/00
主分类号
H04M11/00
代理机构
代理人
主权项
地址
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