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经营范围
发明名称
Erdbohrvorrichtung.
摘要
申请公布号
CH239707(A)
申请公布日期
1945.11.15
申请号
CHD239707
申请日期
1944.04.21
申请人
KRIEG,FRITZ
发明人
KRIEG,FRITZ
分类号
A01C5/02;E21B11/00
主分类号
A01C5/02
代理机构
代理人
主权项
地址
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