FR821282A
(en )
1937-12-01
negative electrode for alkaline batteries
DK49366C
(en )
1934-10-08
Procedure for Increasing the Capacity of Lead Accumulators with Sulfuric Acid Electrolyte.
FR817785A
(en )
1937-09-10
lead-cadmium battery cell with acid electrolyte, can be recharged repeatedly
FR42064E
(en )
1933-05-19
Improvements to secondary batteries or electric accumulators
FR801298A
(en )
1936-07-31
Charging process for lead-acid accumulators with low local actions
FR756083A
(en )
1933-12-04
Improvements to galvanic cells
FR797547A
(en )
1936-04-28
electrolyte for electric accumulators and other applications
DK56741C
(en )
1939-10-02
System for automatic charging of accumulator batteries.
FR805011A
(en )
1936-11-09
Separators for accumulators
FR799924A
(en )
1936-06-23
Reversible electrolyte accumulator batteries
ES126626A1
(en )
1932-06-01
Improvements in the manufacture of batteries of electric accumulators.
DK43763C
(en )
1931-02-23
Method for the manufacture of positive electrodes for accumulators with alkaline electrolyte.
DK52486C
(en )
1936-12-28
Releasable Pole Clamp for Accumulator Batteries.
ES139301A3
(en )
1935-11-16
Improvements in the manufacture of accumulator batteries.
ES129333A1
(en )
1933-04-01
Procedure for the manufacture of cell plates for electric lead accumulators.
AT139765B
(en )
1934-12-10
Photoelectric cell.
ES136929A1
(en )
1935-06-01
Procedure for the manufacture of elements of galvanic batteries.
FI14689A
(en )
1932-10-14
Battery charger
ES127383A1
(en )
1932-08-16
Galvanic battery of the Leclanche type.
FI15071A
(en )
1933-04-07
Electrolytic devices for the storage of battery batteries
FI13418A
(en )
1931-03-23
Electrolyte for batteries
ES121219A1
(en )
1931-02-01
An electrolyte for lead-zinc batteries and for lead accumulators.
ES123663A1
(en )
1931-08-16
Procedure for automatic charging of accumulator batteries.
ES143443A1
(en )
1937-04-16
Improvements in the manufacture of accumulator batteries.
FI16773A
(en )
1935-10-25
Electric battery with low cathode