机读格式显示(MARC)

• 000 00661nas a2200193 a 4500

• 001 0000316380

• 005 20180411145400.0

• 008 040409c19919999enkwr p r 0 0eng d

• 040 __ |a xait |c xait

• 090 __ |a T-18/X20

• 093 __ |a T-18 |2 4

• 245 00 |a Electrical patents index-alerting abstracts bulletins (country order). |n X, |p Electric power engineering. |k periodical

• 260 __ |a London, |b Derwent Publications Ltd., |c 1991-

• 300 __ |a 1 v. |c 30 cm.

• 310 __ |a Weekly

• 362 0_ |a No. 8836 (1988)-

• 780 00 |t Electrical patents index, country order bulletin. Section X, Electric power engineering

• 910 __ |a A100000NLC |l NLC09 |n 001003018 |z 2

• 920 __ |a 261060 |z 1