LEADER 01212aam  2200361I  450 
001 9910710038803321
005 20250318220927.0
024 8 $aGOVPUB-C13-fc4c20671c9a508cc23888dd16917a98
035   $a(CKB)5470000002475890
035   $a(OCoLC)929882116
035   $a(EXLCZ)995470000002475890
100   $a20151118d1975      ua         0
101 0 $aeng
181   $2rdacontent
182   $2rdamedia
183   $2rdacarrier
200 10$aPerformance characteristics of a liquid helium pump /$fP. R. Ludtke
210  1$aGaithersburg, MD :$cU.S. Dept. of Commerce, National Institute of Standards and Technology,$d1975.
215   $a1 online resource
225 1 $aNBSIR ;$v75-816
300   $a1975.
300   $aContributed record: Metadata reviewed, not verified. Some fields updated by batch processes.
300   $aTitle from PDF title page.
320   $aIncludes bibliographical references.
700   $aLudtke$b Paul R$01418523
712 02$aUnited States.$bNational Bureau of Standards.
801  0$bNBS
801  1$bNBS
801  2$bGPO
906   $aBOOK
912   $a9910710038803321
996   $aPerformance characteristics of a liquid helium pump$94336624
997   $aUNINA