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经营范围
发明名称
System for isolating ethernet network traffic
摘要
申请公布号
GB0204678(D0)
申请公布日期
2002.04.17
申请号
GB20020004678
申请日期
2002.02.28
申请人
3COM CORPORATION
发明人
分类号
H04M3/00;H04M3/42;H04M7/00;H04Q1/02
主分类号
H04M3/00
代理机构
代理人
主权项
地址
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