gb4656
gb4656, Total:2 items.
The international standard classification for "gb4656" includes: Metal structures , Technical drawings in general .
The Chinese standard classification for "gb4656" includes: Metal components and accessories , Basic standards and general methods .
General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China
- GB/T 4656-2008 Technical drawings—Simplified representation of bars and profile sections
- GB/T 4656-1984 Representation of structural metal work
