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发明名称
NETGRAB
摘要
申请公布号
GB2263720(A)
申请公布日期
1993.08.04
申请号
GB19920001467
申请日期
1992.01.23
申请人
FRANCIS JOHN * BEARDSWORTH
发明人
FRANCIS JOHN * BEARDSWORTH
分类号
E04G21/32
主分类号
E04G21/32
代理机构
代理人
主权项
地址
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