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发明名称
HYDRAULIC SYSTEM DESIGNED TO CONTROL INITIAL PRESSURE IN SELF-ADVANCING SUPPORTS
摘要
申请公布号
PL355978(A1)
申请公布日期
2004.03.22
申请号
PL20020355978
申请日期
2002.09.11
申请人
CENTRUM ELEKTRYFIKACJI I AUTOMATYZACJI GORNICTWA EMAG
发明人
SOBCZYK JURAND;SIKORA WLADYSLAW;JAGLA JAN;KOLODZIEJCZYK ANDRZEJ;KRODKIEWSKI JERZY;GRZYSKA STANISLAW
分类号
E21D23/12
主分类号
E21D23/12
代理机构
代理人
主权项
地址
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