Mandrel locking element and method for the manufacture of such element,申请号PL20060380099-传众专利搜索

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发明名称	Mandrel locking element and method for the manufacture of such element
摘要
申请公布号	PL209632(B1)	申请公布日期	2011.09.30
申请号	PL20060380099	申请日期	2006.07.03
申请人	WASY&LSTROK,ECZKO ZENON	发明人	WASY&LSTROK,ECZKO ZENON
分类号	E21C35/197	主分类号	E21C35/197
代理机构		代理人
主权项
地址

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