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发明名称
COVER FOR PITSHAFT
摘要
申请公布号
EP0231454(B1)
申请公布日期
1990.12.27
申请号
EP19860116101
申请日期
1986.11.20
申请人
VON ROLL AG
发明人
WIRZ, ANDRE
分类号
E02D29/14
主分类号
E02D29/14
代理机构
代理人
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