机读格式显示(MARC)

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• 093 __ |a T-18 |2 3

• 245 00 |a Electrical patents index classified bulletin. |n Section W, |p Communications. |k periodical

• 246 10 |a Communications

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

• 300 __ |a 9 v. ; |c 27 cm.

• 310 __ |a Weekly

• 362 0_ |a 1980-1988.

• 785 00 |t Electrical Patents Index alerting abstracts bulletins. Cassified W, Communications

• 910 __ |a A100000NLC |l NLC09 |n 001026443 |z 2

• 920 __ |a 261060 |z 1