| 000 | 00497nam a2200169Ia 4500 | ||
|---|---|---|---|
| 008 | 131223s9999 xx 000 0 und d | ||
| 040 | _aISI KOLKATA | ||
| 041 | _aEnglish | ||
| 082 |
_a621.326 _bB862 |
||
| 110 | _aBritish Standards Institution | ||
| 245 | _aBritish standard specification for tungsten filament electric lamps | ||
| 260 |
_aLondon _bCrosby Lockwood _c1932 |
||
| 300 | _a60p. | ||
| 440 | _aBritish Standards Institution;no.161 | ||
| 650 | _aIncandescent lighting | ||
| 942 | _cBK | ||
| 999 |
_c27930 _d27930 |
||