机读格式显示(MARC)

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• 001 0000316381

• 005 20180411150600.0

• 008 031010d19909999enkwr p r 0 0eng d

• 040 __ |a xait |c xait

• 090 __ |a T-18/X21

• 093 __ |a T-18 |2 3

• 245 00 |a General & mechanical patents index alerting abstracts bulletin. |n P1-P3, |p Human necessities. |k periodical

• 260 __ |a London : |b Derwent Publications Ltd., |c 1990-.

• 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 journals. P1-P3: Human necessities

• 785 00 |t engineering patents index alerting abstracts bulletin. Section P1-P3, Human necessities

• 910 __ |a A100000NLC |l NLC09 |n 000924460 |z 2

• 920 __ |a 261060 |z 1