| 000 | 00455nam a2200109 4500 | ||
|---|---|---|---|
| 027 |
_aBS 3224 : Section D7 : 1961 _q1961 |
||
| 942 | _cSD | ||
| 110 | _aBritish Standards Institution | ||
| 245 | _aBS 3224 : Section D7 : 1961 : Specification for lighting fittings for civil land aerobromes. Part D. Runway Lights. Section D7. Omni-directional elevated runway-Threshold lighting fittings | ||
| 260 |
_aLondon _bBritish Standards Institution |
||
| 500 | _aSTD1394 | ||
| 999 |
_c174500 _d174500 |
||