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发明名称
DATA TRANSFER EQUIPMENT
摘要
申请公布号
JPH0583420(A)
申请公布日期
1993.04.02
申请号
JP19910266968
申请日期
1991.09.19
申请人
RICOH CO LTD
发明人
KOSHIISHI TAKAYASU
分类号
H04M1/21;H04M1/27;H04M11/00;H04N1/00
主分类号
H04M1/21
代理机构
代理人
主权项
地址
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