| 摘要 |
1330139 Photographic process KALLE A G 3 Nov 1970 [4 Nov 1969] 52223/70 Heading G2C An exposed and developed layer of a sensitised printing plate is burnt-in by being heated by electro-magnetic radiation directed from a source having a radiation area less than the layer surface area, there being relative movement between the plate and source so that the entire surface of the layer is irradiated. |
