| 000 | 00281nam a2200073 4500 | ||
|---|---|---|---|
| 080 |
_a _b |
||
| 245 | _aBS-2757 - 1956; Classification of insulating materials for electrical machinery and apparatus on the basis of thermal stability in service | ||
| 700 | _aBritish Standards Institution | ||
| 260 |
_aLondon _bBSI _c1956 |
||
| 300 | _a18p | ||
| 999 |
_c24732 _d24732 |
||