| 000 | 003710000a22001450004500 | ||
|---|---|---|---|
| 027 | _aBS 3767 : 1972 | ||
| 041 | _aeng | ||
| 080 |
_a621.327.532 _b |
||
| 942 | _cSD | ||
| 110 | _aBRITISH STANDARDS INSTITUTION | ||
| 245 | _aBS 3767 : 1972 : Specification for low pressure sodium vapour lamps | ||
| 260 |
_aLondon _bB.S.I. _c1972 |
||
| 300 | _a[18]p. | ||
| 500 | _aSTD1160 | ||
| 999 |
_c24640 _d24640 |
||