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发明名称
PUSH-BUTTON TELEPHONE SYSTEM
摘要
申请公布号
JPS6393296(A)
申请公布日期
1988.04.23
申请号
JP19860238738
申请日期
1986.10.07
申请人
TOSHIBA CORP
发明人
ITOYAMA KATSUMI;SUDA KOICHIRO;SATO TAIJI
分类号
H04Q1/04;H04Q1/16;H04Q3/58
主分类号
H04Q1/04
代理机构
代理人
主权项
地址
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