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