000			00364cam a2200145ua 4500
003			OSt
008			250108b |||||||| |||| 00| 0 eng d
041			_aeng
082			_a621.384 _bBLA/RA
245			_aRadio valves /
250			_a1 /
260			_aEindhoven, _bN.V. Philip's Gloeilampenfabrieken _c1964.
700			_aBlack, Edgae J. (editor.) _96857
942			_cBK
999			_c2314 _d2314