DE3071424D1
(en )
1986-03-27
A method and apparatus for determining the electrical conductivity of the ground
GB1239953A
(en )
1971-07-21
Improvements in or relating to methods and apparatus for determining the electrical resistance of the sub-soil
US2383460A
(en )
1945-08-28
Magnetic field responsive device
ES464263A1
(es )
1978-07-01
Dispositivo captador electromagnetico perfeccionado.
GB913780A
(en )
1962-12-28
Method of obtaining an electrical signal proportional to the cross-sectional area of a magnetic tube or rod
GB1288750A
(enExample )
1972-09-13
US2560132A
(en )
1951-07-10
Unbalanced magnetometer
GB1369088A
(en )
1974-10-02
Electromagnetic flowmeter system
GB1265388A
(enExample )
1972-03-01
US3394288A
(en )
1968-07-23
Circuit arrangement of a superstabilizer of a magnetic field
GB1110990A
(en )
1968-04-24
Noise nulling network for magnetic flowmeter
US2414654A
(en )
1947-01-21
Flux valve
GB1458792A
(en )
1976-12-15
System of test coils and method for determining properties of test pieces
GB1418476A
(en )
1975-12-24
Detection of ferromagnetic materials
GB1402513A
(en )
1975-08-13
Magnetic field measuring apparatus
GB1488847A
(en )
1977-10-12
Detection and location of conductors carrying time varying currents
JPS57192877A
(en )
1982-11-27
Measuring device for intensity of electromagnetic field
ES386647A1
(es )
1973-03-16
Procedimiento y dispositivo para la medida del espesor de un revestimiento metalico sobre un elemento cilindrico.
GB1108084A
(en )
1968-04-03
Measurement of thickness and/or electrical resistivity of conductive sheet
FR2303299A1
(fr )
1976-10-01
Procede de mesure de la susceptibilite magnetique des terrains par une sonde
GB615888A
(en )
1949-01-13
Improvements in and relating to apparatus for detecting short circuited turns in coils for electrical apparatus
US3681768A
(en )
1972-08-01
Magnetic analog memory device
SU866514A1
(ru )
1981-09-23
Магнитометр
GB886457A
(en )
1962-01-10
Improvements in or relating to electrical induction meters
SU1130817A1
(ru )
1984-12-23
Кварцевый магнитный вариометр