GB1252913A
(enrdf_load_stackoverflow )
1971-11-10
GB720744A
(enrdf_load_stackoverflow )
US2057845A
(en )
1936-10-20
Electrical measuring instrument
US2875411A
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1959-02-24
Electrical instrument with a drum indicating dial
US2508380A
(en )
1950-05-23
Moving coil electrical measuring
GB905502A
(en )
1962-09-12
Improvements in differential pressure gauge
GB456988A
(enrdf_load_stackoverflow )
GB378983A
(en )
1932-08-25
Apparatus for measuring magnetically the thickness of iron plates and the like
GB660763A
(enrdf_load_stackoverflow )
SU789922A1
(ru )
1980-12-23
Магнитный мост посто нного потока
GB810423A
(en )
1959-03-18
Apparatus for testing a characteristic of ferromagnetic materials
CN117711247A
(zh )
2024-03-15
一种新型磁悬浮实验装置
GB800655A
(en )
1958-08-27
Improvements in or relating to multi-range electrical meters
GB591204A
(en )
1947-08-11
Improvements relating to electromagnetic telephone instruments
Hawkes et al.
1955
An electrical engineering review. Wattmeters
Knight
1949
A sensitive balance for stability tests on permanent magnets
GB797932A
(en )
1958-07-09
Improvements in electrical indicator instruments
GB828459A
(en )
1960-02-17
Improvements in or relating to electric ratiometers
Bennett
1949
A review of methods for coating-thickness determination
JPS5813746Y2
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1983-03-17
電圧計
GB757060A
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1956-09-12
Improvements in or relating to ring balances
BERKLEY et al.
1892
DISCUSSION. ELECTRICAL MEASURING INSTRUMENTS.
PL139681B1
(en )
1987-02-28
Logometric system for indicating instantaneous fuel consumption in particular for use in conjunction with electronic fuel gauges
GB628007A
(en )
1949-08-19
Improvements in or relating to luxmeters
GB1003143A
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1965-09-02
Improvements in or relating to electrical measuring instruments