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经营范围
发明名称
PRIVATE BRANCH EXCHANGE SYSTEM
摘要
申请公布号
JPH08111719(A)
申请公布日期
1996.04.30
申请号
JP19940270350
申请日期
1994.10.07
申请人
CANON INC
发明人
OBA HIDEO
分类号
H04M3/42;H04Q3/58;(IPC1-7):H04M3/42
主分类号
H04M3/42
代理机构
代理人
主权项
地址
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