National Standard of the People's Republic of China: Design Specification for Underground Railways: GB 50157-92

Author: Beijing Capital Planning and Construction Commission
Publisher: China Planning Press
Publish Date: 1999-01-01
Features: To adapt to the needs of intelligent building development, implement the current national standard "Code for Quality Acceptance of Intelligent Building Engineering" GB50339 and other relevant national standards in force, strengthen the quality management of intelligent building projects, and formulate this regulation.