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发明名称
PASS-WORD CONTROL EXCHANGE SYSTEM AND CONTROL METHOD THEREOF
摘要
申请公布号
JPH02183653(A)
申请公布日期
1990.07.18
申请号
JP19890297795
申请日期
1989.11.17
申请人
AMERICAN TELEPH & TELEGR CO <ATT>
发明人
UIRIAMU ROOMAN BERUFUIIRUDO;UIRIAMU JIEEMUZU AAUIN;TOOMASU JIYOSEFU GIAZU;ROI BUINSENTO GURUTSUBE;SUTEFUEN UEIDO HANDEI;ROBAATO JIEEMUZU PAADEYUU
分类号
H04M3/38;H04M3/42;H04Q3/545
主分类号
H04M3/38
代理机构
代理人
主权项
地址
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