|
GB172989A
|
|
Improvements in storage batteries
|
|
GB153570A
|
|
Improvements in or relating to electric accumulators
|
|
GB151591A
|
|
Improvements relating to the containers of electric accumulator cells
|
|
DE330266C
|
|
Current collector electrode with lead spirals
|
|
DE346621C
|
|
Closing plug for current collector elements
|
|
DE351469C
|
|
Electric collector
|
|
DE339413C
|
|
Suspending the plates of electric current collectors in vessels
|
|
DE360662C
|
|
Support device for plates of electric current collectors
|
