IQR code is a substitute for current QR codes produced by Denso Wave. IQR codes may be created in sq. or rectangular formations; this is intended for cases exactly where a rectangular barcode would or else be more appropriate, for example cylindrical objects. IQR codes can in shape the exact https://tr-nh-t-o-m-qr-mi-n-ph38262.ezblogz.com/53625166/detailed-notes-on-qrcode-online