SAND FOR MAKING MOULDS AND CORES BEING HARDENED IN COLD TOOLING BY BLOWING WITH SULFUROUS ACID ANHYDRIDE,申请号SU19874336835-传众专利搜索

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发明名称	SAND FOR MAKING MOULDS AND CORES BEING HARDENED IN COLD TOOLING BY BLOWING WITH SULFUROUS ACID ANHYDRIDE
摘要
申请公布号	SU1496900(A1)	申请公布日期	1989.07.30
申请号	SU19874336835	申请日期	1987.12.03
申请人	VNII LITEJNOGO MASH, óôTEöHOö TEXHOóO×ôô ô ABTOMATô³A\|ôô óôTEöHO×O üPOô³BO¯CTBA	发明人	ZHUKOVSKIJ SERGEJ S,SU;ANTONOVSKIJ VILEN L,SU;FISHKIN YURIJ E,SU;ANTROPOVA LYUDMILA K,SU;OSTRENIN ANDREJ A,SU;SOLOZHENTSEVA GALINA V,SU
分类号	B22C1/22	主分类号	B22C1/22
代理机构		代理人
主权项
地址

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