| 000 | 00325nam a2200109Ia 4500 | ||
|---|---|---|---|
| 008 | 220201s1960 xx 000 0 eng d | ||
| 100 | _aI.S.I | ||
| 245 | 0 | _aIS NO 1490 recommendation for minimum performance requirment of mains operrated publis address amplifires | |
| 260 |
_bI.S Insitute _c1960 |
||
| 300 | _a4 | ||
| 942 | _2ddc | ||
| 999 |
_c78683 _d78683 |
||