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Application filed by Os Bad Rozwojowy BudownictwafiledCriticalOs Bad Rozwojowy Budownictwa
Priority to PL24349083ApriorityCriticalpatent/PL139562B1/en
Publication of PL243490A1publicationCriticalpatent/PL243490A1/en
Publication of PL139562B1publicationCriticalpatent/PL139562B1/en
PL24349083A1983-08-221983-08-22Method of protecting chambers,in particular in old monumental salt mines,against progressive deformation of rock masses
PL139562B1
(en)