| 摘要 |
534,113. Batteries. ARMSTRONG, J. J. V. (Bosch Ges., R.). Dec. 28, 1939, No. 32928. [Class 53] The lead grids of a lead accumulator are coated with a metal, other than lead, gold, or platinum, which does not dissolve in the electrolyte. The positive or negative plate or both may be thus treated the coatings in the last case not necessarily, being the same.. Suggested coatings are nickel, copper, silver, mercury or tin. Specification 9629/91, [Class 41], is referred to. |
