|
GB262814A
|
|
Improvements in galvanic cells
|
|
GB250266A
|
|
Improvements in galvanic cells
|
|
GB209749A
|
|
Improvements in and relating to accumulator plates
|
|
DE385651C
|
|
Lead alloy for battery plates
|
|
DE385302C
|
|
Superoxide-free current discharge for lead accumulators
|
|
DE386526C
|
|
Process for the production of mass carriers for accumulators
|
|
DE380654C
|
|
Process for the production of effective masses for accumulators
|
|
GB173515A
|
|
Galvanic cell
|
|
DE374374C
|
|
Secondary element
|
