2008GB/T 2281-2008 Determination of density of coking oil products
1996GB/T 2281-1996 Light oil products of coal carbonization--Test method of density
1998GB/T 8032-1987 Method for Determination of Density of Coking Benzene Products
GB/T 8032-1987 Method for Determination of Density of Coking Benzene Products was changed to GB/T 2281-1996 Light oil products of coal carbonization--Test method of density.