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Priority to ZA89738ApriorityCriticalpatent/ZA89738B/en
Publication of ZA89738BpublicationCriticalpatent/ZA89738B/en
ZA89738A1989-01-311989-01-31Improved method and installation for modifying the surface state of materials,in particular of the paper and/or card type
ZA89738B
(en)