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发明名称
EXCAVATING DEVICE
摘要
申请公布号
GB8408491(D0)
申请公布日期
1984.05.10
申请号
GB19840008491
申请日期
1984.04.02
申请人
DEE, R W
发明人
分类号
主分类号
代理机构
代理人
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