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发明名称
EXTENSION TELEPHONE SYSTEM
摘要
申请公布号
JPS6461195(A)
申请公布日期
1989.03.08
申请号
JP19870217540
申请日期
1987.08.31
申请人
FUJITSU GENERAL LTD
发明人
INDA FUSAO
分类号
H04Q5/02
主分类号
H04Q5/02
代理机构
代理人
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