共 6 条
[1]
EVERSHED S, 1920, I ELEC ENG J SEP, P780
[2]
EWING, MAGNETIC INDUCTION I
[3]
NIWA Y, 124 DEPT COMM EL LAB
[4]
SCHROTER F, 1924, ARCH ELEKTROTEC 0331, P30
[5]
Spooner T., 1923, J AM I ELECT ENG, V42, P42
[6]
*WEST EL MAN CO, 171 WEST EL MAN CO