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发明名称
Mining frictional stand of tray shapes with V profile
摘要
申请公布号
PL383417(A1)
申请公布日期
2009.03.30
申请号
PL20070383417
申请日期
2007.09.24
申请人
IWANOWICZ ROMAN;KOTOWSKI RAFA&LSTROK,;G&LSTROK,OWNY INSTYTUT GORNICTWA
发明人
IWANOWICZ ROMAN;KOTOWSKI RAFA&LSTROK,;NIEROBISZ ANDRZEJ
分类号
E21D15/02
主分类号
E21D15/02
代理机构
代理人
主权项
地址
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