| 000 | 00460nam a22001457a 4500 | ||
|---|---|---|---|
| 999 |
_c4489 _d4489 |
||
| 008 | 200806b ||||| |||| 00| 0 eng d | ||
| 082 | 0 | 0 |
_a628.532 _bB9169 |
| 110 |
_9746 _aBritish Standards Institution |
||
| 245 | 1 | 0 |
_aSpecification for smoke density indicators and recorders _cby British Standards Institution |
| 260 |
_aLondon _bBritish Standards Institution _c195716 p. |
||
| 300 | _a16 p. | ||
| 365 | _d2.62 | ||
| 650 | 0 | _aRecording Instruments | |
| 942 | _cBK | ||