A method for manufacturing batteries of electrical accumulators. (Machine-translation by Google Translate, not legally binding)
ES321478A1
Improvements introduced in the preparation of pastes for electrical accumulator batteries. (Machine-translation by Google Translate, not legally binding)
ES321257A1
A ventilation device for a battery of electrical accumulators. (Machine-translation by Google Translate, not legally binding)
ES320906A3
An apparatus to indicate the state of low loading of a battery of electrical accumulators (Machine-translation by Google Translate, not legally binding)
