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发明名称
CHANNEL ALARM DETECTION DEVICE
摘要
申请公布号
JPH04275733(A)
申请公布日期
1992.10.01
申请号
JP19910037191
申请日期
1991.03.04
申请人
FUJITSU LTD
发明人
UCHIYAMA HIROO
分类号
H04J3/12;H04J3/14
主分类号
H04J3/12
代理机构
代理人
主权项
地址
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