| 摘要 |
824,775. Batteries. YARDNEY INTERNATIONAL CORPORATION. Jan. 26, 1956 [Jan. 28, 1955], No. 2659/56. Class 53. The negative electrode of an alkaline cell, particularly a silver-zinc cell, consists of one or more layers of expanded zinc. Each layer may be constituted by a separate sheet of expanded zinc or the layers may be formed by winding a single sheet of expanded zinc around a flat mandrel. |
