| 摘要 |
704,461. Batteries. SOC. DES ACCUMULATEURS FIXES ET DE TRACTION. Jan. 16,1951 [Dec. 14, 1950], No. 1199/51. Class 53 A negative plate for an alkaline accumulator is made by compressing a mixture of finely divided copper and iron or a reducible iron compound such as ferric oxide. The mixture may be pressed about a wire screen. Specifications 322/03, [Class 53], and 608,896 are referred to. |
