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发明名称
EXCAVATION APPARATUS
摘要
申请公布号
GB8512678(D0)
申请公布日期
1985.06.26
申请号
GB19850012678
申请日期
1985.05.20
申请人
ZUBLIN AG ED
发明人
分类号
E21D9/00
主分类号
E21D9/00
代理机构
代理人
主权项
地址
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