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经营范围
发明名称
Schaelende Gewinnungsmaschine fuer Kohle und andere Mineralien
摘要
申请公布号
DE842335(C)
申请公布日期
1952.06.26
申请号
DE1949P040087D
申请日期
1949.04.17
申请人
FA. DIPL.-ING. FRIEDRICH HEINRICH FLOTTMANN, BOCHUM
发明人
(WESTF.) WOLFGANG SCHMIDT, HERNE
分类号
E21C27/34
主分类号
E21C27/34
代理机构
代理人
主权项
地址
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