| 000 | 00312nam a2200073 4500 | ||
|---|---|---|---|
| 080 |
_a _b |
||
| 245 | _aIEC: 51 - 4 - 1984; Direct Acting Indicating Analogue Electrical Measuring Instruments and their Accessories Part 4 Special Requirements for Frequency Meters | ||
| 700 | _aInternational Electrotechnical Commission | ||
| 260 |
_aGeneva _bIEC _c1984 |
||
| 300 | _a17p | ||
| 999 |
_c35943 _d35943 |
||