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Priority claimed from DE19691909251external-prioritypatent/DE1909251A1/en
Application filed by Rotter J, Schlinsog W, Rotter WfiledCriticalRotter J
Publication of IE33735LpublicationCriticalpatent/IE33735L/en
Publication of IE33735B1publicationCriticalpatent/IE33735B1/en
IE24370A1969-02-251970-02-24Processes for the production of sealing surface finishes on articles made from porous cementitious materials
IE33735B1
(en)