机读格式显示(MARC)
- 000 01630cam a2200349 a 4500
- 008 010411s1975 gw a 000 0 ger d
- 020 __ |c CNY24.00 (v. 2)
- 020 __ |c CNY26.90 (v. 3)
- 020 __ |c CNY25.00 (v .1)
- 099 __ |a CALB022001181755
- 110 2_ |a International Electrotechnical Commission.
- 245 10 |a Electronic tubes / |c International Electrotechnical Commission, ISO.
- 260 __ |a [Genève, Suisse : |b International Electrotechnical Commission, ISO,] |c 1974.
- 300 __ |a 3 v. (various pagings) : |b ill. ; |c 29 cm.
- 490 1_ |a Its Publication ; |v 67, 135, 151, 235
- 505 1_ |a Dimensions of electronic tubes and valves -- Methods for the measurement of direct interelectrode capacitances of electronic tubes and valves -- Rating systems for electronic tubes and valves and analogous semiconductor devices -- Measurements of the electrical properties of electronic tubes and valves.
- 546 __ |a German and English.
- 650 _0 |a Vacuum-tubes |v Standards.
- 740 02 |a Rating systems for electronic tubes and valves and analogous semiconductor devices.
- 740 02 |a Measurements of the electrical properties of electronic tubes and valves.
- 740 02 |a Dimensions of electronic tubes and valves.
- 740 02 |a Methods for the measurement of direct interelectrode capacitances of electronic tubes and valves.
- 830 _0 |a Publication (International Electrotechnical Commission) ; |v 67, 235.