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发明名称
MINE PITHEAD GEAR GUIDE ROLLER FOR CAGE GUIDING SYSTEM
摘要
申请公布号
PL355325(A1)
申请公布日期
2004.02.09
申请号
PL20020355325
申请日期
2002.08.02
申请人
PLACHNO MAREK;HILDEBRAND JERZY
发明人
PLACHNO MAREK;HILDEBRAND JERZY
分类号
E21D7/02
主分类号
E21D7/02
代理机构
代理人
主权项
地址
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