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• 245 10 |a Electrical patents index alerting abstracts bulletin. |n U, |p semiconductors and electronic circuitry

• 260 __ |a London : |b Derwent Publications Ltd., |c 1995-

• 300 __ |a 1v. |c 30 cm.

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• 362 0_ |a 1991,no.9101(Feb.1991)-

• 500 __ |a Continues in part: Electrical patents index alerting abstracts bulletin. section U-V

• 780 11 |t Electrical patents index alerting abstracts bulletin. section U-V

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