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发明名称
Air cooling system in longwall headings
摘要
申请公布号
PL369110(A1)
申请公布日期
2006.01.23
申请号
PL20040369110
申请日期
2004.07.15
申请人
AKADEMIA GORNICZO-HUTNICZA IM. STANIS&LSTROK,AWA STASZICA
发明人
NOWAK BERNARD;ROSZKOWSKI JANUSZ;LUSKA PIOTR;FILEK KRZYSZTOF
分类号
E21F3/00
主分类号
E21F3/00
代理机构
代理人
主权项
地址
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