| 000 | 00498 a2200253 4500 | ||
|---|---|---|---|
| 001 | 114093 | ||
| 020 | _a1 | ||
| 041 | _aeng | ||
| 080 | _a621.313.36 Gra(2) | ||
| 245 | _aSmall commutator motors | ||
| 250 | _a | ||
| 260 | _aChicago | ||
| 260 | _bAmerican Technical Society, | ||
| 260 | _c1952 | ||
| 300 | _avarious p. | ||
| 300 | _c21 cm | ||
| 490 | _a | ||
| 100 | _aGraham, Kennard C. | ||
| 700 | _a | ||
| 650 | _a | ||
| 650 | _aCommutation(Electricity) | ||
| 942 | _cBK | ||
| 942 | _2UDC | ||
| 999 |
_c34718 _d34718 |
||