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经营范围
发明名称
Greiferbohrer.
摘要
申请公布号
AT152350(B)
申请公布日期
1938.01.25
申请号
ATD152350
申请日期
1934.06.30
申请人
ING. LUDWIG LEIDL;HERMANN LEIDL
发明人
ING. LUDWIG LEIDL;HERMANN LEIDL
分类号
E21B11/04
主分类号
E21B11/04
代理机构
代理人
主权项
地址
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