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发明名称
TELEPHONE SYSTEM
摘要
申请公布号
JPH089016(A)
申请公布日期
1996.01.12
申请号
JP19940160686
申请日期
1994.06.20
申请人
CANON INC
发明人
ARAI SHUNJI
分类号
H04N1/32;H04M1/274;H04M11/00;(IPC1-7):H04M1/274
主分类号
H04N1/32
代理机构
代理人
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地址
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