机读格式显示(MARC)

• 000 00650nam a2200217 a 4500

• 001 0000331887

• 003 CAL

• 005 20200806093300.0

• 008 0608020196666 pa b 001 0 eng d

• 020 __ |c CNY2.70

• 040 __ |c PUL

• 090 __ |a TN1-62/R129

• 093 __ |a TN1-62

• 099 __ |a CALB0220110332785m

• 245 10 |a Radio valve data,Characteristics of 7,000 nvalves,transistors,semiconductor diodes and rectifiers, and cathode-ray tubes. / |c ed by

• 260 __ |a : |b L., Iliffe Books LTD,, |c 1966

• 300 __ |a 230P.; |b ill |c 26cm

• 504 __ |a Includes bibliographical references and index

• 700 1_ |a ed by

• 920 __ |a 580400 |z 2

• 998 __ |a ZMC