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发明名称
Gewinnungsmaschine
摘要
申请公布号
DE1253212(B)
申请公布日期
1967.11.02
申请号
DE1966L053043
申请日期
1966.03.08
申请人
LEE-NORSE COMPANY
发明人
ARENTZEN EINAR MARTIN
分类号
E21C27/24
主分类号
E21C27/24
代理机构
代理人
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