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发明名称
COARSE COUPLING MAINTENANCE OPERATING SYSTEM OF LAN SYSTEM
摘要
申请公布号
JPS6256044(A)
申请公布日期
1987.03.11
申请号
JP19850195534
申请日期
1985.09.04
申请人
NEC CORP
发明人
HAYASHI SHINJI
分类号
主分类号
代理机构
代理人
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地址
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