GB/T 39559.4-2020

Specifications for operational monitoring of urban rail transit facilities—Part 4: Track and earthworks

NORMA vydaná dňa 14.12.2020

The information about the standard:

Designation standards: GB/T 39559.4-2020
Publication date standards: 14.12.2020
Country: Chinese technical standard
Kategória: Technické normy GB