CH9340A
(en )
1895-05-31
Arrangement for measuring the electrical energy in three-phase currents
RO122747B1
(en )
2009-12-30
Installation for checking rotors of asynchronous motors
CH23933A
(en )
1902-10-15
Electricity meter for three-phase current
CH20710A
(en )
1901-03-15
Device on electricity meters for displaying the maximum value of an electric current
CH17982A
(en )
1899-09-30
Instrument for measuring electrical currents
CH10657A
(en )
1896-01-31
Improvement in electricity meters
GB189423858A
(en )
1895-04-13
Improvements in the Construction of Instruments for Measuring Electric Currents.
CH13801A
(en )
1897-08-15
Measuring device for three-phase current
CH83069A
(en )
1919-11-01
Device for measuring the electrical current
CH82918A
(en )
1919-11-01
Device for measuring the electrical current
GB189405816A
(en )
1894-05-05
Improvements in Electrical Measuring Instruments.
GB189408149A
(en )
1894-05-25
Improvements in Electrical Measuring Instruments.
GB189424551A
(en )
1895-10-19
Improvements in Electricity Meters.
CH13136A
(en )
1897-05-15
Compensation device on electrical measuring instruments
GB189421446A
(en )
1895-09-07
Improvements in Electric Meters.
CH9576A
(en )
1895-06-30
Electricity meter
ES15509A1
(en )
1894-03-16
Improvements in electrical energy chemical meters.
GB189512546A
(en )
1896-05-30
Improvements in Electricity Meters.
GB189620243A
(en )
1897-07-03
Improvements in Appliances for Protecting Electrical Measuring Instruments from External Influences.
CH17984A
(en )
1899-09-30
Instrument for measuring the electromotive force in alternating currents
CH44421A
(en )
1909-08-02
Device for converting currents on single-phase collector machines
GB189616657A
(en )
1897-06-12
Improvements in Electricity Meters, or Means or Apparatus for the Measurement of Electric Energy.
CH7992A
(en )
1894-07-31
Underground supply line arrangement for electric trams
ES17518A1
(en )
1895-07-16
Improvements in electric meters.
ES17389A1
(en )
1895-06-16
Improvements in electric meters.