机读格式显示(MARC)
- 000 00868nam2a2200289 4500
- 008 990421c19809999enkwrzp ^ 0uuu 0eng d
- 099 __ |a CALB121999031507
- 222 _0 |a Electrical patents index.Alerting Abstracts bulletin (Classified):W
- 245 00 |a Electrical patents index.Alerting Abstracts bulletin (Classified), |n W : |p Communications
- 260 __ |a London, UKN : |b Derwent information, |c c1980-
- 500 __ |a Description ased on : no.9701 (1997)
- 905 __ |a XATU |d T-18/2X
- 950 __ |a 261060 |f T-18/2 |s 1
- 999 __ |t C |Z dy |z 20060525 08:36:14 |M dy |m 20060525 08:42:20