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发明名称
KEY TELEPHONE UNIT
摘要
申请公布号
JPH05236541(A)
申请公布日期
1993.09.10
申请号
JP19920033379
申请日期
1992.02.20
申请人
HASEGAWA ELECTRIC CO LTD
发明人
TAKANO KAZUHITO
分类号
H04M1/00;H04Q3/58;(IPC1-7):H04Q3/58
主分类号
H04M1/00
代理机构
代理人
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