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发明名称
SYSTEM FOR PREVENTING WRONG TEST ACCESS OF SUBSCRIBER-SYSTEM TERMINAL EQUIPMENT
摘要
申请公布号
JPH04100466(A)
申请公布日期
1992.04.02
申请号
JP19900218635
申请日期
1990.08.20
申请人
FUJITSU LTD
发明人
TSUKAGOSHI HIROBUMI
分类号
H04M3/26
主分类号
H04M3/26
代理机构
代理人
主权项
地址
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