Method of increasing three-dimensional stability of dog heading steel arching in particular that for inclined headings,申请号PL20000337744-传众专利搜索

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发明名称	Method of increasing three-dimensional stability of dog heading steel arching in particular that for inclined headings
摘要
申请公布号	PL191829(B1)	申请公布日期	2006.07.31
申请号	PL20000337744	申请日期	2000.01.05
申请人	GLOWNY INSTYTUT GORNICTWA	发明人	CHROSTEK JOZEF;KOWALSKI EDWARD;PAWELCZYK HENRYK;ROTKEGEL MAREK;RULKA KAZIMIERZ;SKRZYNSKI KRZYSZTOF;WERECKI KAZIMIERZ;ZACHARSKI MIROSLAW
分类号	E21D11/14	主分类号	E21D11/14
代理机构		代理人
主权项
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