| 摘要 |
1,128,138. Aluminium alloys. SUMITOMO CHEMICAL CO. Ltd. May 19, 1967 [May 21, 1966], No.23440/67. Heading C7A. Alloys suitable for use as sacrificial anodes consist, by weight, of Hg 0À01-0À2% Zn 0.01-10% Pb 0À01-2% Al and impurities - balance. The alloys may be homogenized by heat-treatment. |
