| 摘要 |
460,669. Batteries. CHLORIDE ELECTRICAL STORAGE CO., Ltd., and BROWNE, A. W. Sept. 5, 1935, No. 24734. [Class 53] An accumulator is providec round each terminal with a ring c of porcelain or other non- conducting material upon which acid will not readily spread in a thin film. The ring projects above the sealing material a and may be placed in position while the latter is in a plastic state. |
