000 | 00255nam a2200073 4500 | ||
---|---|---|---|
080 |
_a _b |
||
245 | _aBS-2538 - 1954; Air-cooled flamerproof single-phase lighting transformer units supplied from high voltage systems | ||
700 | _aBritish Standards Institution | ||
260 |
_aLondon _bBSI _c1954 |
||
300 | _a7p | ||
999 |
_c24800 _d24800 |