| 摘要 |
Sheet 10, on whose front face there are depressed or white areas surrounded by projecting or black areas 19, obtained by means of a process which begins with the stamping of 10 to standard dimensions, and the next stage is viewing, transferring the negative 15 onto the fabric 21 of the frame 20, and subsequently to the sheet 10 placed under the frame 20, in order, finally, to pass the sheet 10 via the inside of an electrostatic cabin 16, particles 13 being deposited in the uncovered areas 17 to which adhesive has been previously applied via 21 and 20, forming projecting or relief areas 19 in the sheet 10. <IMAGE>
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