US1927346A
(en )
1933-09-19
Electromagnetic device
US2422714A
(en )
1947-06-24
Miniature electric meter
GB994365A
(enExample )
JPH032570A
(ja )
1991-01-08
加速度計
JP2866299B2
(ja )
1999-03-08
張力調整装置
US2840767A
(en )
1958-06-24
ammon
KR920005797B1
(ko )
1992-07-18
전자광학장치
JPH0765341A
(ja )
1995-03-10
回転磁気ヘッド装置
US2394113A
(en )
1946-02-05
Electrical measuring instrument
GB929582A
(enExample )
US2978640A
(en )
1961-04-04
D arsonval-movement assembly
US3275936A
(en )
1966-09-27
Electric meter including pivoted mag-
net rotor surrounded by continuous
pole faces
GB951458A
(enExample )
GB456988A
(enExample )
US2465053A
(en )
1949-03-22
Eccentric moving coil electrical
US2333991A
(en )
1943-11-09
Electrical measuring instrument
US4710706A
(en )
1987-12-01
Electrical measuring meter and method including a calibrating element
US3490043A
(en )
1970-01-13
Stacked construction electric meter
GB597243A
(enExample )
US3040253A
(en )
1962-06-19
Dual magnet electrical instrument
US2871449A
(en )
1959-01-27
Magnetic restoring force suspension galvanometer
GB940680A
(enExample )
US2834942A
(en )
1958-05-13
Magnetized core measuring instrument
GB969047A
(enExample )
GB891137A
(enExample )