000 | 00545 a2200277 4500 | ||
---|---|---|---|
001 | 44127 | ||
020 | _a0 | ||
041 | _aeng | ||
080 | _a621-52:621.65 Aut | ||
245 | _aAutomatic engineering servo actuator | ||
250 | _a | ||
260 | _aSpringfield | ||
260 | _b: U.S. Department of Commerce, n.d. | ||
260 | _c | ||
300 | _a18 p. | ||
300 | _c28 cm | ||
490 | _a | ||
100 | _a | ||
700 | _a | ||
650 | _a | ||
650 | _aServomechanisms | ||
650 | _aAutomatic control | ||
650 | _aActuators | ||
942 | _cBK | ||
942 | _2UDC | ||
999 |
_c44544 _d44544 |