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Entrada Topical Term
Número de registros utilizados en: 2
001 - CONTROL NUMBER
- control field: 74157
003 - CONTROL NUMBER IDENTIFIER
- control field: UNP
005 - DATE AND TIME OF LATEST TRANSACTION
- control field: 20231219132027.0
008 - FIXED-LENGTH DATA ELEMENTS
- fixed length control field: 231219|| aca||aabn | a|a d
040 ## - CATALOGING SOURCE
- Original cataloging agency: UNP
- Transcribing agency: UNP
150 ## - HEADING--TOPICAL TERM
- Topical term or geographic name entry element: FIBRA ÓPTICA
670 ## - SOURCE DATA FOUND
- Source citation: Work cat.: (UNP)42067: Sosa Pedroza, Jorge Autor 18203, Líneas de Transmisión y Guías de Onda, 1994