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CNBS-78 (ca)
CNBS-6 Codes
937151 — Investigació tècnica sobre primeres matèries i matèries energètiques
Descendants
Code
Description
9371511
Investigació tècnica en mines
9371512
Investigacions en metal·lúrgia
9371513
Investigacions sobre energia nuclear
9371514
Investigacions sobre altres formes d'energia
Correspondence with
CNBS-78 (es)
Code
Description
937151
Investigación técnica sobre materias primas y energéticas