机读格式显示(MARC)

• 000 00724nam2a2200205 4500

• 001 0000169471

• 003 CAL

• 005 20180529103300.0

• 008 060522d19801988enkwr1p r 0 0eng d

• 040 __ |a XAIT |c XAIT

• 090 __ |a T-18/13X

• 093 __ |a T-18 |2 4

• 222 _0 |a World patents abstracts journal. P4-P8, Performing operations optics

• 245 00 |a World patents abstracts journal. |n P4-P8, |p Performing operations optics.

• 260 __ |a London |b Derwent Publications Ltd., |c 1980-1988.

• 300 __ |a v. : |c 30cm

• 310 __ |a WEEKLY

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

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

• 920 __ |a 261060 |z 2