机读格式显示(MARC)

• 000 00553nam2 2200181 4500

• 001 0000238135

• 020 __ |a |c ￥4.00

• 041 0_ |a eng

• 093 __ |a TN12-53 |v 4

• 245 1_ |a Microwave Tubes in Systems : Problems and Prospects |c International Conference on Microwave Tubes in Systems |g |A MICROWAV |F INTERNAT

• 250 __ |a

• 260 __ |a London |b Institution of Electrical Engineers |c 1984

• 300 __ |a 171c29cm

• 440 0_ |a

• 700 _0 |a International Conference on Microwave Tubes in Systems |A INTERNAT |4 著

• 851 _0 |a CN |b HIEL

• 905 __ |a HIEL |d TN12-53/I1

• 999 __ |b 1