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*019  $bl
*035  $a(EXLNZ-47BIBSYS_NETWORK)997560442864702201
*035  $a(NO-LaBS)13423589(bibid)
*035  $a(NO-TrBIB)756044286
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*084  $aQ$2utk
*1001 $aMaclaurin, William Rupert$0(NO-TrBIB)7078553$_70333200
*24510$aInvention & innovation in the radio industry$cby W. Rupert Maclaurin ; with the technical assistance of R. Joyce Harman ; with a foreword by Karl T. Compton
*260  $aNew York$bMacmillan$c1949
*300  $aXXI, 304 s.$bill.
*4901 $aStudies of innovation / Massachusetts Institute of Technology$v1
*653  $aradioteknikk$ahistorie$_70333300
*7001 $aHarman, R. Joyce$0(NO-TrBIB)7078552$_70333400
*7400 $aInvention and innovation in the radio industry
*830  $aStudies of innovation$v1$w990806197384702201$_70333500
*901  $a70
*999  $aoai:nb.bibsys.no:997560442864702202$b2021-11-14T20:19:13Z$z997560442864702202
^