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经营范围
发明名称
Mit Pressluft betriebene Gesteinsbohrmaschine.
摘要
申请公布号
CH310187(A)
申请公布日期
1955.10.15
申请号
CHD310187
申请日期
1952.06.18
申请人
JESCHKE,HERBERT,DR.-ING.
发明人
JESCHKE,HERBERT,DR.-ING.
分类号
E21B1/30
主分类号
E21B1/30
代理机构
代理人
主权项
地址
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