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Priority to PL26400387ApriorityCriticalpatent/PL150509B1/en
Publication of PL264003A2publicationCriticalpatent/PL264003A2/en
Publication of PL150509B1publicationCriticalpatent/PL150509B1/en
PL26400387A1987-02-051987-02-05Apparatus for placing thermal insulation, in particular acrylamind foam, within unpassable spaces of a flat roof
PL150509B1
(en)