机读格式显示(MARC)

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• 008 060906d19741988 wr p a 0 a1eng d

• 040 __ |c BJP

• 041 0_ |a eng

• 044 __ |a GB

• 090 __ |a 71.27071/W927(E)

• 093 __ |a Z89:T-18/104:R

• 094 __ |a 71.27071 |2 3

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• 245 10 |a World Patents Index Gazette. |n section R, |p electrical

• 260 __ |a London : |b Derwent Publications Ltd., |c 1974-88

• 310 __ |a Weekly

• 362 __ |a 1974,no.7401(1974)-1988,no.8835(Oct.1988)

• 500 __ |a Continued by: WPI Gazette. S-X, electrical

• 785 10 |t WPI Gazette. S-X, electrical

• 920 __ |a 211050 |z 2

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• 998 __ |a BJP