METHOD OF RETARDING WEARING PROCESS OF SELF-ADVANCING ROOF SUPPORTS COMPONENTS AND SELF-ADVANCING ROOF SUPPORTS AS SUCH,申请号PL19930299521-传众专利搜索

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发明名称	METHOD OF RETARDING WEARING PROCESS OF SELF-ADVANCING ROOF SUPPORTS COMPONENTS AND SELF-ADVANCING ROOF SUPPORTS AS SUCH
摘要
申请公布号	PL171164(B1)	申请公布日期	1997.03.28
申请号	PL19930299521	申请日期	1993.06.28
申请人	FABRYKA ZMECHANIZOWANYCH OBUDOW SCIANOWYCH "FAZOS" SA	发明人	DREWNIAK ADOLF;SOSNICA JOACHIM;STAWINSKI GRZEGORZ;TREMBACZEWSKI HENRYK;RURANSKI JERZY;RYMER GRZEGORZ
分类号	E21D23/04;(IPC1-7):E21D23/04	主分类号	E21D23/04
代理机构		代理人
主权项
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