Apparatus and {HEAD ~ method} for printing {TAIL ~ two dimensional barcode} and articles incorporating such barcode 
for printing
Apparatus and { HEAD ~ method } for printing { TAIL ~ two dimensional barcode } and articles incorporating such barcode
OTH OTH HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH