METHOD FOR PRODUCING CAST STONE OF HIGH-STRENGTH, HIGH PERMEABILITY AND FILTERING EFFECT AND PROTECTING DRIVEN WELLS AGAINST SANDING UP,申请号HU19900001177-传众专利搜索

发明名称	METHOD FOR PRODUCING CAST STONE OF HIGH-STRENGTH, HIGH PERMEABILITY AND FILTERING EFFECT AND PROTECTING DRIVEN WELLS AGAINST SANDING UP
摘要
申请公布号	HUT57626(A)	申请公布日期	1991.12.30
申请号	HU19900001177	申请日期	1990.02.28
申请人	MAGYAR SZENHIDROGENIPARI KUTATO-FEJLESZTOE INTEZET,HU;KOEOLAJKUTATO VALLALAT,HU	发明人	CSABAI,TIBOR,HU;MAGYAR,MIKLOS,HU;PLAJNER,TIBOR,HU;FUEZESNE TAKACS,CECILIA,HU;ANDRISTYAK,AMBRUS,HU;KUN,MIHALY,HU;MUNKACSI,ISTVAN,HU;BALAZS,ISTVAN,HU
分类号	B01D39/14;B01J20/22;B01J20/30;(IPC1-7):B01D39/14	主分类号	B01D39/14
代理机构		代理人
主权项
地址