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发明名称
INCOMING SWITCHING DEVICE
摘要
申请公布号
JPH0273795(A)
申请公布日期
1990.03.13
申请号
JP19880224405
申请日期
1988.09.09
申请人
FUJI ELECTRIC CO LTD;FUJI FACOM CORP
发明人
NAKAGAWA KAZUMI
分类号
H04M1/72;H04M1/2745;H04M1/53;H04Q3/58
主分类号
H04M1/72
代理机构
代理人
主权项
地址
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