gbt4509
gbt4509, Total:3 items.
The international standard classification for "gbt4509" includes: Waxes, bituminous materials and other petroleum products .
The Chinese standard classification for "gbt4509" includes: Petroleum asphalt .
General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China
- GB/T 4509-2010 Standard test method for penetration of bitumen
- GB/T 4509-1998 Bitumen--Determination of penetration
- GB/T 4509-1984 Test method for needle penetration of petroleum bitumens
