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发明名称
Explosion-proof stone-dust barrier
摘要
申请公布号
PL385400(A1)
申请公布日期
2009.12.21
申请号
PL20080385400
申请日期
2008.06.10
申请人
HAJDUK MIROS&LSTROK,AW
发明人
HAJDUK MIROS&LSTROK,AW
分类号
E21F5/00
主分类号
E21F5/00
代理机构
代理人
主权项
地址
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