GB/T 41056-2021

Full face tunnel boring machine—Double shield hard rock tunnel boring machine

NORMA vydaná dňa 31.12.2021

Anglicky a čínsky -
Elektronické PDF (552.30 EUR)

The information about the standard:

Designation standards: GB/T 41056-2021
Publication date standards: 31.12.2021
Country: Chinese technical standard
Kategória: Technické normy GB