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GB191319782A
|
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A Solution for use in Lead Accumulator Cells.
|
|
GB191319783A
|
|
An Improved Process for the Preparation of Absorbents to be used in the Cells of Electric Dry Batteries.
|
|
CA109469A
|
|
Storage battery
|
|
US985368A
|
|
Electric secondary battery.
|
|
GB190720592A
|
|
Improvements in or relating to Electric Batteries or Cells
|
|
GB190624669A
|
|
An Improved Inductor Electric Generator.
|
|
US883346A
|
|
Inductor electric generator.
|
|
CA83089A
|
|
Telephone connection
|
|
GB190126634A
|
|
Means for Connecting an Alarm Bell in a Local System to the Telephone Exchange
|
|
CA83118A
|
|
Magneto telephone
|
|
US666874A
|
|
Arrangement of switching appliances in connection with telephones.
|
|
CA69755A
|
|
Telephone switch
|
|
GB189819162A
|
|
Means and Appliances for Indicating at one End of an Electric Circuit the Position of an Arm or Pointer at the other End of the Circuit.
|
|
GB189311890A
|
|
Improvements relating to Telephones.
|
|
CA46496A
|
|
Telephone
|
