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发明名称
Method for filling mining protective supports, supporting space and system for implementation of this method
摘要
申请公布号
PL217635(B1)
申请公布日期
2014.08.29
申请号
PL20090389946
申请日期
2009.12.17
申请人
&Sacute,LOSORZ WANDA;&Sacute,LOSORZ PIOTR
发明人
&Sacute,LOSORZ WANDA;&Sacute,LOSORZ PIOTR
分类号
E21F15/00;E21D11/10;E21F15/08
主分类号
E21F15/00
代理机构
代理人
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地址
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