摘要 |
<p>1,007,788. Accumulators. MALLORY BATTERIES Ltd. May 13, 1964 [May 13, 1963], No. 19851/64. Heading H1B. [Also in Division H2] A number of series-connected rechargeable cells 29, 39, 49 have transistors 20 connected across them acting as solid-state switches to by-pass any cell suffering polarity reversal.</p> |