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20221019002612.0 |
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060510s1965 |||a fr||||| |0 0|eng d |
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|a 621.38
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|a Astbury, N.F.
|9 270026
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|a The use ceramics in valves :
|b proceedings of a symposium held on 29-30 march, 1965
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260 |
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|a Great Britain :
|b The British ceramic research association,
|c 1965.
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|a 221 p.
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|a Spe
|9 268753
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|a Ubic.:621.38 A 4 Ej.1 PRES
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|a ELECTRONICA
|9 263321
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650 |
1 |
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|a CERAMICA
|9 266520
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650 |
1 |
4 |
|a VALVULAS ELECTRONICAS
|9 270027
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650 |
1 |
4 |
|a MATERIAL AISLANTE
|9 270028
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|c LIB
|6 _
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|a MON
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|a 3532
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|a Registro convertido en forma automatizada
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|c 3421
|d 3421
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