| 摘要 |
352,055. Galvanic batteries. BRITANNIA BATTERIES, Ltd., 233, Shaftesbury Avenue, London. March 28, 1930, No. 10010. Convention date, March 28, 1929. [Class 53.] A battery cover is provided with gas vents e closed at the bottom but communicating with the interior of the battery through lateral openings g. The cover slopes towards a central tube d through which any electrolyte which has escaped returns to the battery. |
