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发明名称
(B2) ;PORTABLE STRUT FOR MINE GALLERY LINING
摘要
申请公布号
PL228511(A2)
申请公布日期
1981.10.16
申请号
PL19800228511
申请日期
1980.12.11
申请人
GLOWNY INSTYTUT GORNICTWA
发明人
LABANSKI STANISLAW;KOWALSKI EDWARD;PEREK JAN;RACZYNSKI ANDRZEJ;KORZENIOWSKI SZCZEPAN;GRODECKI WLODZIMIERZ
分类号
E21D;E21D11/28;(IPC1-7):E21D/
主分类号
E21D
代理机构
代理人
主权项
地址
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