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发明名称
COMMUNICATION EQUIPMENT AND COMMUNICATION SYSTEM
摘要
申请公布号
JPH04352560(A)
申请公布日期
1992.12.07
申请号
JP19910126322
申请日期
1991.05.30
申请人
RICOH CO LTD
发明人
OSANAI TOSHITAKA
分类号
H04M1/66;H04M1/663;H04M11/00;H04N1/32
主分类号
H04M1/66
代理机构
代理人
主权项
地址
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