00598nam a2200181Ia 4500003000900000008004100009040001600050080001900066100002500085245010400110260003100214300001300245650002200258650001900280942000700299999001500306952009500321IN-BaIIA211028s9999 xx 000 0 eng d cIIA Library a621.382.3bBET aBettridge, B R93221 0aTransistors and crystal diodes : what they are and how to use themcBernard Robert Arthur Bettridge aLondonbNorman Pricec1954 aix, 72p. aElectronics91576 aNASA Thesaurus cBK c1608d1608 00104070aBANbKAVcGENd0000-00-00l0o621.382.3/ BETp1766r2021-11-05w0000-00-00yBK