| 000 | 00273nam a2200073 4500 | ||
|---|---|---|---|
| 080 |
_a _b |
||
| 245 | _aIEC: 50(20) - 1958; International Electrotechincal vocabulary group 20 Scientific and industrial measuring instruments | ||
| 700 | _aInternational Electrotechnical Commission | ||
| 260 |
_aGeneva _bIEC _c1958 |
||
| 300 | _a88p | ||
| 999 |
_c24334 _d24334 |
||