|
US3443226A
(en)
|
|
Rebalance voltage measuring apparatus employing an a.c. potentiometer
|
|
ES521689A0
(es)
|
|
Transformador de medida con un nucleo magnetico para aparatos de medida, destinados a medir corrientes alternas electricas.
|
|
GB689024A
(en)
|
|
Improvements in and relating to alternating current volt-ampere meters
|
|
PL43118B1
(de)
|
|
|
|
JPS5524640A
(en)
|
|
Measurement of impedance and load loss of there-winding transformer
|
|
GB556607A
(en)
|
|
Improvements in or relating to electrical measuring apparatus
|
|
GB614952A
(en)
|
|
Electric thermometer circuit
|
|
GB404015A
(en)
|
|
Improvements in and relating to multi-range electrical measuring instruments
|
|
JPS53140533A
(en)
|
|
Metering outfit for electric machinery
|
|
GB631991A
(en)
|
|
Improvements relating to electrical measuring instruments
|
|
SU421940A1
(de)
|
|
|
|
US1701358A
(en)
|
|
Electric measuring apparatus
|
|
SU126949A1
(ru)
|
|
Устройство дл измерени мощности электрических потерь в металлических объектах, расположенных в зоне магнитных полей
|
|
GB645777A
(en)
|
|
Improvements in or relating to apparatus for measuring the thickness of non-magneticcoatings on magnetic materials
|
|
JPS5510567A
(en)
|
|
Test device for meter transformer
|
|
GB918004A
(en)
|
|
Improvements in electrical insulation testers
|
|
PL42870B1
(de)
|
|
|
|
PL49584B3
(de)
|
|
|
|
PL91478B1
(de)
|
|
|
|
GB885418A
(en)
|
|
Electric tong test devices
|
|
GB709934A
(en)
|
|
Improvements relating to electric measuring circuit arrangements
|
|
GB386521A
(en)
|
|
Improvements in methods and devices for electrical integration
|
|
JPS5610213A
(en)
|
|
Liquid level detecting method
|
|
JPS5443764A
(en)
|
|
Temperature compensation for eddy current type dislocation converter
|
|
GB558534A
(en)
|
|
Improvements in or relating to the measurement of ratio and phase angle errors in voltage transformers
|