TY  - GEN
ED  - International Electrotechnical Commission
TI  - International standard 521 : class 0.5, 1 and 2 alternating - current watthour meters
PY  - 1982///
CY  - Geneva
PB  - IEC
KW  - ELECTRICAL ENGINEERING-STANDARDS
KW  - STANDARDS
KW  - ELECTRIC MEASURING INSTRUMENTS
N1  - STD3262
ER  -