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经营范围
发明名称
PRIVATE BRANCH EXCHANGE SYSTEM WITH ATTENDANT CONSOLE
摘要
申请公布号
CA2018698(A1)
申请公布日期
1990.12.13
申请号
CA19902018698
申请日期
1990.06.11
申请人
FUJITSU LIMITED
发明人
ISHIBASHI, MASAAKI;SHIMAZAKI, KAZUHISA;HIOKI, SATOSHI;SHIMASUE, TSUTOMU
分类号
H04Q3/58;H04M3/60;H04Q3/62;H04Q11/04
主分类号
H04Q3/58
代理机构
代理人
主权项
地址
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