DE3564039D1
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1988-09-01
Testing method and tester for electrical devices
DE3472491D1
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1988-08-04
Method of improving a high voltage insulator and suitable composition
EP0222387A3
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1988-12-14
Method for making of design reference and apparatus therefor
GB2184905B
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1989-11-29
Apparatus and method for offset voltage correction in an analog-to-digital converter
ZA86307B
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1986-08-27
Eddy current inspection probe and method for assembling same
JPS57141563A
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1982-09-01
Method of and apparatus for measuring component containing direct current in ac waveform
GB2160667B
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1988-01-13
Measuring circuit and method for power distribution equipment
EP0159664A3
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1987-02-25
Gas-insulated electric apparatus and method of assembly thereof
ZA868399B
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1987-07-29
High-voltage current transformer and method of manufacture
PL246143A2
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1984-12-17
Method of and apparatus for measurement of errors of current and voltage transformers
DE3477633D1
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1989-05-11
Method of and apparatus for forming thick-film circuit
AU571942B2
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1988-04-28
Apparatus for measuring the magnitude of an ac voltage
GB8400831D0
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1984-02-15
Current measuring apparatus
EP0004037A3
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1979-10-03
Method and apparatus for measuring electric currents and/or tensions in a plurality of current or voltage circuits
GB2165947B
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1988-10-26
Method and apparatus for calibration of dial indicators
JPS5432723A
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1979-03-10
Method of testing voltage and current transformers for instrments
GB2080957B
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1984-04-11
Method of suppressing spurious voltages and of measuring fault resistance
SU1155969A1
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1985-05-15
Device for error testing of current transformer in transient conditions
HUT38754A
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1986-06-30
Method for decreasing the error of current transformer and high-precision current transformer
BG35137A1
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1984-02-15
Method and device for selective measuring of voltage
PL237644A1
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1984-01-30
Method of measurement of deviations of measuring transformer
GB8416792D0
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1984-08-08
Voltage measuring apparatus
PL249830A1
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1986-04-08
Method of and apparatus for direct current generation
PL268548A1
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1989-05-02
Method of digital measurement of constant voltage and system for digital measurement of constant voltage
PL256928A2
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1986-10-21
Method of measuring current ratio errors in inductance voltage dividers