CHEMICAL PROCESS TO AVOID A RAINBOW EFFECT, PROVOKED BY AN OXIDE LAYER THAT IS CAUSED DURING THE POLISHING OF PIECES OF ALUMINIUM OR PIECES OF ALUMINIUM ALLOYS,申请号EP19900105558-传众专利搜索

发明名称	CHEMICAL PROCESS TO AVOID A RAINBOW EFFECT, PROVOKED BY AN OXIDE LAYER THAT IS CAUSED DURING THE POLISHING OF PIECES OF ALUMINIUM OR PIECES OF ALUMINIUM ALLOYS
摘要
申请公布号	EP0399169(B1)	申请公布日期	1993.08.11
申请号	EP19900105558	申请日期	1990.03.23
申请人	GEBR. HAPPICH GMBH	发明人	VENN, PETER;BARTKOWSKI, KLAUS-DIETER
分类号	C25F3/20;C25D11/24	主分类号	C25F3/20
代理机构		代理人
主权项
地址