机读格式显示(MARC)

• 000 00754nas a2200205 a 4500

• 001 0000316375

• 005 20180529102800.0

• 008 031010d19881994enkwr p r 0 0eng d

• 040 __ |a xait |c xait

• 090 __ |a T-18/X23

• 093 __ |a T-18 |2 4

• 245 00 |a Gneral & mechanical patents index alerting abstracts bulleting. |n P4-P8, |p Performing operation optics. |k periodical

• 260 __ |a London : |b Derwent Publications Ltd., |c 1994-

• 300 __ |a 1 v. |c 30 cm.

• 310 __ |a Weekly

• 362 0_ |a No.8836 (1988)-no.9419 (1994)?

• 780 00 |t World patents abstracts journal. P4-P7, Performing operations

• 785 00 |t engineering patents index alerting abstracts bulletin. P4-P8, Performing operation optics

• 910 __ |a A100000NLC |l NLC09 |n 000924621 |z 2

• 920 __ |a 261060 |z 1