
Underground excavations
NORM herausgegeben am 21.4.2017
Designation standards: SP 69.13330.2016
Publication date standards: 21.4.2017
The number of pages: 15
Approximate weight : 45 g (0.10 lbs)
Country: Russian technical standard
Kategorie: SP
Implemented changes and corrections:
Rev. 1 - 2024