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Application filed by Jiri Ing Panek, Zdenek IndrafiledCriticalJiri Ing Panek
Priority to CS848447ApriorityCriticalpatent/CS252680B1/en
Publication of CS844784A1publicationCriticalpatent/CS844784A1/en
Publication of CS252680B1publicationCriticalpatent/CS252680B1/en
CS848447A1984-11-071984-11-07Hygienically unobjectionable phenolformaldehyde resin bonded experlite insulation plates and moulded bricks and method of their production
CS252680B1
(en)