| 000 | 00505nam a2200133 4500 | ||
|---|---|---|---|
| 999 |
_c178502 _d178502 |
||
| 027 |
_aIEC publication 151-22 _q1970 |
||
| 041 | _aeng | ||
| 942 | _cSD | ||
| 110 | _aINTERNATIONAL ELECTROTECHNICAL COMMISSION | ||
| 245 | _aIEC publication 151-22 : measurements of the electrical properties of electronic tubes and valves : part 22 : methods of measurement for cold cathode counting and indicator tubes | ||
| 260 |
_aGeneva _bINTERNATIONAL ELECTROTECHNICAL COMMISSION |
||
| 300 | _a28p. | ||
| 500 | _aSTD3121 | ||