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经营范围
发明名称
Rueckholeinrichtung fuer Bohrstangenfuehrungen an Bohrmaschinen
摘要
申请公布号
DE1002263(B)
申请公布日期
1957.02.14
申请号
DE1955M026216
申请日期
1955.02.24
申请人
MASCHINENFABRIK NUESSE & GRAEFER KOMMANDIT-GESELLSCHAFT
发明人
HUENNINGHAUS WILHELM
分类号
E21B7/02;E21B19/24
主分类号
E21B7/02
代理机构
代理人
主权项
地址
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