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发明名称
RECZNY PRZYRZAD DO ZAKLESZCZANIA LUKOW OBUDOWY PODATNEJ
摘要
申请公布号
PL191385(A1)
申请公布日期
1978.01.30
申请号
PL19760191385
申请日期
1976.07.21
申请人
KOPALNIA WEGLA KAMIENNEGO PSTR
发明人
KOWALSKI STANISLAW;KUTKOWSKI BENEDYKT;PIECHEL LEONARD;GRODOWSKI EDWARD
分类号
E21D;E21D11/40;(IPC1-7):E21D/
主分类号
E21D
代理机构
代理人
主权项
地址
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