Combination lining and sprag member of heading roof supports,申请号PL20010348217-传众专利搜索

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法人/股东/高管

发明名称	Combination lining and sprag member of heading roof supports
摘要
申请公布号	PL194413(B1)	申请公布日期	2007.05.31
申请号	PL20010348217	申请日期	2001.06.19
申请人	SMIGIELSKI JANUSZ	发明人	SMIGIELSKI JANUSZ
分类号	E21D11/15;E21D11/28	主分类号	E21D11/15
代理机构		代理人
主权项
地址

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