FR721666A
(en )
1932-03-07
electrode for batteries, accumulators and other electrical devices
FR697220A
(en )
1931-01-13
Dry cell battery enhancements
DK47198C
(en )
1933-04-10
Electric accumulator cell and of such an assembled electric accumulator battery.
FR702190A
(en )
1931-04-01
Improvements to secondary batteries or electric accumulators
FR696322A
(en )
1930-12-27
Alkaline electrolyte accumulators
FR668569A
(en )
1929-11-04
Improvements to batteries and accumulators
FR723773A
(en )
1932-04-14
Electric battery
FR724159A
(en )
1932-04-22
Removable electric accumulator
ES120758A1
(en )
1931-02-01
Improvements in secondary batteries or accumulators.
FR701615A
(en )
1931-03-20
Battery of electric cells
ES122121A1
(en )
1931-04-16
Perfeccionamientos introduced in elements of accumulators and electric batteries.
ES110779A1
(en )
1929-04-16
Elements of batteries of electric accumulators.
ES121219A1
(en )
1931-02-01
An electrolyte for lead-zinc batteries and for lead accumulators.
FR666280A
(en )
1929-09-30
Battery charge limiter
FR704136A
(en )
1931-05-13
Electric battery and its electrolyte
DK47658C
(en )
1933-08-21
Pole for electric accumulators and the like.
FR716190A
(en )
1931-12-16
Electric accumulator
FR688811A
(en )
1930-08-29
ebonite army
ES114738A1
(en )
1929-10-01
Improvements in secondary batteries or accumulators.
ES124278A1
(en )
1931-11-01
AN IMPROVEMENT IN ELECTRIC ACCUMULATOR BATTERIES
ES122845A1
(en )
1931-06-16
Improvements in electric accumulators.
ES120855A1
(en )
1931-01-01
Connection for elements or groups of alkaline electrolyte accumulators.
FR736157A
(en )
1932-11-21
Electric accumulator
CA278362A
(en )
1928-03-06
Battery terminal
CA285461A
(en )
1928-12-11
Battery terminal