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发明名称
Verfahren und Vorrichtung zur schlagenden Gewinnung von Kohle
摘要
申请公布号
DE1203209(B)
申请公布日期
1965.10.21
申请号
DE1959G028702
申请日期
1959.12.28
申请人
GEWERKSCHAFT EISENHUETTE WESTFALIA
发明人
SCHIGULSKI DIPL.-ING. HANS;HEYER WILLY;ERWIEN HELMUT
分类号
E21C27/35
主分类号
E21C27/35
代理机构
代理人
主权项
地址
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