Bl This standard establishes the characteristics of stationary electric accumulators in glass or wooden containers. B-2 This standard is applicable, with regard to positive plates, to Planté type positive plates, with a large surface area. B-3 This standard is not applicable to positive Planté type plates, other than those specified in B~2.
IRAM 2119-1955 history
1955IRAM 2119-1955 Fixed capacitor (lead-acid type, Plant type plate)