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100   $a20200922j196811    ua             0
101 0 $aeng
135   $aur|||||||||||
181   $ctxt$2rdacontent
182   $cc$2rdamedia
183   $acr$2rdacarrier
200 10$aDesign and analysis of a modular servoamplifier for fast-response electrohydraulic control systems /$fby John R. Zeller
210  1$aWashington, D.C. :$cNational Aeronautics and Space Administration,$dNovember 1968.
215   $a1 online resource (ii, 20 pages) $cillustrations
225 1 $aNASA/TN ;$vD-4898
300   $a"November 1968."
320   $aIncludes bibliographical references (page 20).
606   $aServoamplifiers$2nasat
606   $aElectric control$2nasat
606   $aHydraulic control$2nasat
615  7$aServoamplifiers.
615  7$aElectric control.
615  7$aHydraulic control.
700   $aZeller$b John R.$01417382
712 02$aUnited States.$bNational Aeronautics and Space Administration,
801  0$bCOP
801  1$bCOP
801  2$bGPO
906   $aBOOK
912   $a9910715931903321
996   $aDesign and analysis of a modular servoamplifier for fast-response electrohydraulic control systems$93525542
997   $aUNINA