Head of hydraulic hole penetrometer,申请号PL20080117624U-传众专利搜索

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发明名称	Head of hydraulic hole penetrometer
摘要
申请公布号	PL117624(U1)	申请公布日期	2010.02.15
申请号	PL20080117624U	申请日期	2008.08.04
申请人	G&LSTROK,OWNY INSTYTUT GORNICTWA;IRB SP. Z O.O.	发明人	ST&EOGON,PNIEWSKI MARIAN;CISZEWSKI JAROS&LSTROK,AW;BIER ANDRZEJ;NIEROBISZ ANDRZEJ
分类号	E21C39/00;E21B49/00	主分类号	E21C39/00
代理机构		代理人
主权项
地址

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