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发明名称
LOOP MONITOR CIRCUIT
摘要
申请公布号
JPS52130220(A)
申请公布日期
1977.11.01
申请号
JP19760046901
申请日期
1976.04.24
申请人
FUJITSU LTD
发明人
FUJISAWA MASATO;TAKADA KENZOU;AYANO MITSUTOSHI
分类号
H04Q3/72;H04M3/02
主分类号
H04Q3/72
代理机构
代理人
主权项
地址
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