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Priority claimed from EP91117624Aexternal-prioritypatent/EP0486812B1/en
Application filed by Kotterer GrafotecfiledCriticalKotterer Grafotec
Publication of FI920499A0publicationCriticalpatent/FI920499A0/en
Publication of FI920499ApublicationCriticalpatent/FI920499A/en
Application grantedgrantedCritical
Publication of FI97557BpublicationCriticalpatent/FI97557B/en
Publication of FI97557CpublicationCriticalpatent/FI97557C/en
In the production of cover solution 4 lines on a substrate, for example a folding aid cover solution and/or a size covering, the position of the cover solution and the function of the spreader head 6 can be monitored by a simple method, in that the cover solution contains pigments, which are invisible in normal light but visible when they are exposed to revealing medium. <IMAGE>
FI920499A1991-10-161992-02-06
The coating solution and a method and apparatus for preparing a coating solution on a substrate
FI97557C
(en)