Gas main mine ventilation,申请号PL20120400682-传众专利搜索

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发明名称	Gas main mine ventilation
摘要
申请公布号	PL219831(B1)	申请公布日期	2015.07.31
申请号	PL20120400682	申请日期	2012.09.07
申请人	ZAK&Lstrok,AD PROJEKTOWANIA I DORADZTWA TECHNICZNEGO GORPROJEKT SPÓ&Lstrok,KA Z OGRANICZON&Aogon, ODPOWIEDZIALNO&Sacute,CI&Aogon,	发明人	SZNEIDER ERNEST
分类号	F24F13/24;E21F1/00	主分类号	F24F13/24
代理机构		代理人
主权项
地址

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