| 摘要 |
558,736. Bottom bar for storage battery plate. CHLORIDE ELECTRICAL STORAGE CO., Ltd. (White, C. C.). Jan. 25, 1943, No. 1252. [Class 2 (iii)] [Also in Group XXXVI] A storage battery plate having a row of pencils of active material supported on spines and covered by a retainer has a trough-shaped bottom bar 4 of polymethyl methacrylate or polystyrene, provided with recesses 6a to receive the lower ends of the spines. |
