Bar code related GB standard:
GBT EAN 12904-2008. The UPC
GBT Code bar, 12907-2008
GBT Code39 12908-2002
GBT UCC. 15425-2002 EAN128
GBT Interleaved 2 of 5, 16829-2003
GBT PDF417, 17172-1997
GBT QR, 18284-2000
GBT Code128 18347-2001
GBT RSS, 21335-2008
GBT 27766-2011 Grid Matrix
GBT 27767-2011 Compact Matrix
Such as

//download.csdn.net/download/zwd183335/12255057