| 摘要 |
1485972 Metallic recording paper ROBERT BOSCH GmbH 4 Sept 1974 [5 Sept 1973] 38611/74 Heading D2B [Also in Division B6 and Gl] A metallic recording paper comprises a paper layer 10 and a metal coating 12 between which a layer 11 of dried printing ink is located. The metal coating may be aluminium. The layer of dried printing ink. which may be a multi-colour print, may be applied by an intaglio process and may have recesses or gaps 13, which represent markings or in which marks e.g. diagrams, symbols, time markings, and clock tracks may be applied e.g. in a tape. |
