GB/T 18802.21-2004

Low-voltage surge protective devices—Part21:Surge protective devices connected to telecommunications and signalling networks—Performance requirements and testing methods

NORMA vydána dne 4.2.2004

The information about the standard:

Designation standards: GB/T 18802.21-2004
Note: NEPLATNÁ
Publication date standards: 4.2.2004
Country: Chinese technical standard
Kategorie: Technické normy GB