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发明名称
TELEPHONE EXCHANGE
摘要
申请公布号
JPH09191343(A)
申请公布日期
1997.07.22
申请号
JP19960001357
申请日期
1996.01.09
申请人
CANON INC
发明人
SAKURAI SHIGEKI
分类号
H04M3/50;H04M3/42;(IPC1-7):H04M3/42
主分类号
H04M3/50
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代理人
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