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发明名称
Saugkopflagerung fuer Gesteinsdrehbohrmaschinen, insbesondere fuer den Kohlenbergbau
摘要
申请公布号
DE901404(C)
申请公布日期
1954.01.11
申请号
DE1951H007555
申请日期
1951.02.15
申请人
HERMANN HEMSCHEIDT
发明人
分类号
B23Q1/00;E21B21/16
主分类号
B23Q1/00
代理机构
代理人
主权项
地址
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