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经营范围
发明名称
PRESSURE-WELDED LINING NET FOR USE IN MINES
摘要
申请公布号
PL107690(U1)
申请公布日期
1999.08.30
申请号
PL19980107690U
申请日期
1998.02.18
申请人
GLOWNY INSTYTUT GORNICTWA
发明人
KOWALSKI EDWARD;PEREK JAN;RULKA KAZIMIERZ;SZMATLOCH ANDRZEJ;BROZDA STANISLAW;GAJEK JOZEF
分类号
E21D11/15;(IPC1-7):E21D11/15
主分类号
E21D11/15
代理机构
代理人
主权项
地址
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