THE METHOD OF MUD WINNING,申请号PL19890277906-传众专利搜索

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发明名称	THE METHOD OF MUD WINNING
摘要
申请公布号	PL277906(A1)	申请公布日期	1989.10.30
申请号	PL19890277906	申请日期	1989.02.22
申请人	OS BAD ROZWOJOWY PRZEM SIARKO	发明人	BOBROWSKA-KRAJEWSKA KRYSTYNA;SZMYD STANISLAW;KOPEC JOZEF;MYSIAK JERZY;GORYLEWSKI EDWARD;SADURA KAROL
分类号	E21B;E21B43/29;E21C37/06;(IPC1-7):E21B/	主分类号	E21B
代理机构		代理人
主权项
地址

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