机读格式显示(MARC)

• 000 00976cam 2200289 a 4500

• 000 1000082810

• 001 0000306469

• 005 20070523111719.0

• 008 981216s1983 njua b 001 0 eng

• 020 __ |a 013936823X (pbk.)

• 020 __ |a 0139368310 : |c CNY20.95

• 040 __ |c SJT

• 050 0_ |a TK7868.P6 |b D38 1983

• 082 0_ |a 621.381/044 |2 19

• 090 __ |a TM721.1/DB

• 093 __ |a TM721.1 |2 4

• 099 __ |a CAL 022000329993

• 100 1_ |a Davis, Barry.

• 245 10 |a Understanding D.C. power supplies / |c Barry Davis.

• 260 __ |a Englewood Cliffs, N.J. : |b Prentice-Hall, |c c1983.

• 300 __ |a 232 p. : |b ill. ; |c 24 cm.

• 504 __ |a Includes bibliographical references (p. 227-228) and index.

• 650 _0 |a Electronic apparatus and appliances |x Power supply |x Direct current.

• 901 __022007001510

• 905 __ |a CAU |f TM721.1/DB |b E0216333(or.)

• 907 __ |a CAU |f TM721.1/DB |b E0216333(or.)

• 999 __ |t C |A gypx |a 20070406 08:27:59 |I wzhlc |i 20070523 11:17:19 |G wzhlc |g 20070524 08:28:1