| 000 | 00521 a2200253 4500 | ||
|---|---|---|---|
| 001 | 5742 | ||
| 020 | _a0 | ||
| 041 | _aeng | ||
| 080 | _a621.316.9 Hen | ||
| 245 | _aAutomatic protective gear for A.C. supply systems | ||
| 250 | _a | ||
| 260 | _aLondon | ||
| 260 | _bSir Isaac Pitman, | ||
| 260 | _c1934 | ||
| 300 | _axiv,201p. | ||
| 300 | _c18 cm | ||
| 490 | _a | ||
| 100 | _aHenderson, J. | ||
| 700 | _a | ||
| 650 | _a | ||
| 650 | _aElectric apparatus and appliances-Protection | ||
| 942 | _cBK | ||
| 942 | _2UDC | ||
| 999 |
_c7141 _d7141 |
||