126548 ⎘
Wet end of machines for making continuous webs of paper; Watermarking devices Dandy rolls
METHOD AND APPARATUS FOR MANUFACTURING WATERMARKED PAPER
#2Watermark sheet, apparatus, and document, and methods for providing the same
#3Printed document control with verified unique watermarks
#4Printed document control with verified unique watermarks
#5Diagonally joined cylindrical fabric and manufacturing method thereof