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发明名称
METHOD OF TAKING AWAY GOTTEN MATERIAL FROM MINING HEADINGS
摘要
申请公布号
PL176586(B1)
申请公布日期
1999.06.30
申请号
PL19950306910
申请日期
1995.01.19
申请人
PRZEDSIEBIORSTWO WIELOBRANZOWE VALBOT SP.Z OO;KOPALNIA WEGLA KAMIENNEGO PIAST
发明人
ROZMUS ZBIGNIEW;JARCZYK MAREK;HAMERLIK STANISLAW;MROZ STANISLAW;KOLANKO KAZIMIERZ;SWIATKOWSKI WALDEMAR;BANBULA BOLESLAW;HAJDUK JAN
分类号
E21F13/06
主分类号
E21F13/06
代理机构
代理人
主权项
地址
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