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发明名称
CONTINUITY TEST SYSTEM IN COMMON LINE SIGNAL SYSTEM
摘要
申请公布号
JPH0474050(A)
申请公布日期
1992.03.09
申请号
JP19900186242
申请日期
1990.07.13
申请人
FUJITSU LTD
发明人
KAMO TOSHIYUKI;NISHIMURA MASAYUKI
分类号
H04M3/32;H04M7/06
主分类号
H04M3/32
代理机构
代理人
主权项
地址
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