This standard specifies the location of a laboratory sample cut from a piece of leather and the method of marking the cut sample to facilitate identification. This standard applies to leather made from mammalian hides by any tanning method.
QB/T 3812.1-1999 history
2005QB/T 2706-2005 Leather-Chemical, physical and mechanical and fastness tests - Sampling location
1984QB/T 3812.1-1999 Leather.Laboratory sample.Location and identification
QB/T 3812.1-1999 Leather.Laboratory sample.Location and identification was changed to QB/T 2706-2005 Leather-Chemical, physical and mechanical and fastness tests - Sampling location.