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Application filed by B P Badawcze Budownictwa OgolnfiledCriticalB P Badawcze Budownictwa Ogoln
Priority to PL23934682ApriorityCriticalpatent/PL135620B1/en
Publication of PL239346A1publicationCriticalpatent/PL239346A1/en
Publication of PL135620B1publicationCriticalpatent/PL135620B1/en
PL23934682A1982-12-031982-12-03Method of making precast reinforced concrete units having internal insulating layer made of water absorbing materials
PL135620B1
(en)