gb/t494-1998
gb/t494-1998, Total:3 items.
The international standard classification for "gb/t494-1998" includes: Waxes, bituminous materials and other petroleum products , Quality management and quality assurance .
The Chinese standard classification for "gb/t494-1998" includes: Petroleum asphalt , Standardization and Quality Management .
General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China
- GB/T 494-1998 Asphalt used in roofing
- GB/T 19000.2-1998 Quality management and quality assurance standards--Part 2: Generic guidelines for the application of GB/T 19001, GB/T 19002 and GB/T 19003
- GB/T 494-2010 Asphalt used in roofing
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