| 摘要 |
PROBLEM TO BE SOLVED: To provide a block copy sheet for a lithographic printing plate in which the printing plate can be easily moved and the printing plate is prevented from being elongated and deviated, even when it is necessary to correct the position of the lithographic printing plate on the plate cylinder of the printing machine, and also to provide a printing machine. SOLUTION: There is provided the block copy sheet for the lithographic printing with a surface which is made of a metal material on which unevenness is formed by eroding treatment and whose corners in the neighborhood of apexes of the projected parts are cut off. The printing machine with the plate cylinder having the surface is also provided. |
