|
ES219545A1
|
|
Improvements introduced in the galvanic elements especially in the accumulator cells (Machine-translation by Google Translate, not legally binding)
|
|
GB696805A
|
|
Improvements in electric cells, for example for storage batteries
|
|
GB677724A
|
|
Improvements in electric cells, and in particular alkaline cells
|
|
GB677770A
|
|
Electric storage battery cell
|
|
GB660989A
|
|
Improvements in electric accumulators
|
|
CA531392A
|
|
Electrolytic cells, in particular to storage battery cells
|
|
CA494194A
|
|
Electrolytic cells, and in particular alkaline cells
|
|
CA674717A
|
|
Alkaline storage battery cell
|
|
CA531391A
|
|
Gastight storage batteries and methods of manufacturing them
|
|
CA499995A
|
|
Electric accumulators
|
