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经营范围
发明名称
NETWORK RELAY
摘要
申请公布号
JPS5846835(A)
申请公布日期
1983.03.18
申请号
JP19810142849
申请日期
1981.09.09
申请人
NIHON DENCHI KK
发明人
NARAI KEIICHI
分类号
H02H7/28
主分类号
H02H7/28
代理机构
代理人
主权项
地址
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