GB 50689-2011

Code for design of lightning protection and earthing engineering for telecommunication bureaus(stations)

NORM herausgegeben am 2.4.2011

English, Chinesisch -
Elektronische PDF (2818.00 EUR)

The information about the standard:

Designation standards: GB 50689-2011
Publication date standards: 2.4.2011
Country: Chinese technical standard
Kategorie: Technische Normen GB