机读格式显示(MARC)
- 000 00941n a2200277 a 4500
- 008 199805c19959999enk u u eng d
- 099 __ |a CAL 0220110258081m
- 245 00 |a Electrical patents index, alerting abstracts bulletin (country order) |n U, |p Semiconductors and electronic circuitry.
- 246 30 |a Alerting abstracts bulletin
- 246 30 |a index. U, Semiconductors and electronic circuitry.
- 260 __ |a London, GBR : |b Derwent Publication Ltd., |c 1995-.
- 300 __ |a v. : |b ill ; |c 29 cm.
- 362 1_ |a Week 9101 (20, Feb. 1991)- .
- 500 __ |a Patents from 32 countries.
- 780 01 |t Electrical patents index, country bulletin, sec. U-V, semiconductors electronic circuitry, eletronic components.