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发明名称
SPOSOB ODMETANOWANIA POKLADOW WEGLA
摘要
申请公布号
PL204692(A1)
申请公布日期
1979.11.19
申请号
PL19780204692
申请日期
1978.02.16
申请人
KOPALNIA WEGLA KAMIENNEGO JAST
发明人
KONDORA PAWEL;ZAK EUGENIUSZ;ZDRZALEK EMANUEL;CZARTORYSKI TADEUSZ
分类号
E21C;(IPC1-7):E21C/
主分类号
E21C
代理机构
代理人
主权项
地址
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