Entrada Topical Term

Número de registros utilizados en: 1

001 - CONTROL NUMBER

• control field: 397266

003 - CONTROL NUMBER IDENTIFIER

• control field: OSt

005 - DATE AND TIME OF LATEST TRANSACTION

• control field: 20250312180452.0

008 - FIXED-LENGTH DATA ELEMENTS

• fixed length control field: 250312|| aca||aabn | a|a d

040 ## - CATALOGING SOURCE

• Original cataloging agency: OSt
• Transcribing agency: OSt

150 ## - HEADING--TOPICAL TERM

• Topical term or geographic name as entry element: Sistemas electrónicos de conmutación telefónica

670 ## - SOURCE DATA FOUND

• Source citation: Work cat.: (OSt)189588: Fernández García, Carmelo 397262, Instalaciones de telefonía , 2012