01208nam a22002651a 450000100060000000300080000600500170001400800410003103500190007203500190009104000320011004100080014208200290015010000250017924502670020426001020047130000360057349000770060950400300068665000260071670000270074294200120076999900170078195201440079866868BD-RjUL20211209081603.0170321s1949    xx       b    001 0 eng    a(BD-RjUL)66999  a(OCoLC)1117192  aDLCcNhDdDLCdBD-RjULbeng  aeng  a621.384132223bDEF 19491 aDeketh, Jan.919850610aFundamentals of radio-valve technique :ban introduction to the physical fundamentals, properties, designs and applications of radio-receiver and power-amplifier valves covering the technical development reached up to December, 1947 /cTranslated by F.G. Garratt  aEindhoven,bN.V. Philips' Gloeilampenfabrieken, Technical and Scientific Literature Dept.,c1949.  a022, 535 p. :billus. ;c24 cm.1 aPhilips' technical library. Series of books on electronic valves, book 1  aBibliography: p. 513-521. 0aVacuum-tubes.9198507  aGarratt, F.G. 9198508  2ddccBK  c66868d66868  00102ddc40718NFICaRUCLbRUCLcReadingd2021-12-09eFeroz Sonsg21.14l0o621.384132 DEF 1949r2017-03-22 00:00:00tC-1w2017-03-22yBK