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发明名称
Section of mining self-advancing support and section unit for mining self-advancing support
摘要
申请公布号
PL203182(B1)
申请公布日期
2009.09.30
申请号
PL20040371747
申请日期
2004.12.14
申请人
HORNONITRIANSKE BANE PRIEVIDZA A.S.
发明人
VAVRIK JAN;CMIKO ANTON;BOHAC MARIAN
分类号
E21D23/00;E21D23/03
主分类号
E21D23/00
代理机构
代理人
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