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发明名称
HYDRAULIC PROP FOR MINE WORKING ROOF SUPPORTS
摘要
申请公布号
PL311453(A1)
申请公布日期
1997.05.26
申请号
PL19950311453
申请日期
1995.11.21
申请人
GUZERA JAN;ADAMEK BOLESLAW;JARNO LESZEK;ROMANOWICZ STANISLAW;SMIALEK ZDZISLAW
发明人
GUZERA JAN;ADAMEK BOLESLAW;JARNO LESZEK;SMIALEK ZDZISLAW
分类号
E21D15/51;(IPC1-7):E21D15/51
主分类号
E21D15/51
代理机构
代理人
主权项
地址
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