| 摘要 |
The printing form on a semi-autotype printing form cylinder has variable depths and surfaces for illustration by a screen with a positive mask. A ductor removes undesirable printing ink from the surface of the printing form not being printed on. The printing form is made of soft elastic material in the form of a photo-cross-linkable material. The ductor has one or more blades of soft elastic material, with a Shore hardness constituting the printing form and or ductor blades is between 30-85 deg .
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