000
00209nam a2200073 4500
080
_a
_b
245
_a
IEC: 686 - 1980; Stabilized power supplies, a.c.output
700
_a
International Electrotechnical Commission
260
_a
Geneva
_b
IEC
_c
1980
300
_a
65p
999
_c
30058
_d
30058