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CCPA-2014 (ca)
Categories
42222 — Treballs de construcció de xarxes elèctriques i de telecomunicacions
Descendants
Code
Description
422221
Treballs de construcció de xarxes elèctriques i de telecomunicacions, de llarga distància
422222
Treballs de construcció de xarxes elèctriques i de telecomunicacions, locals
422223
Treballs de construcció de centrals elèctriques