Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Przed P Uslugowe Karbon Sp Z OfiledCriticalPrzed P Uslugowe Karbon Sp Z O
Priority to PL32038497ApriorityCriticalpatent/PL181350B1/en
Publication of PL320384A1publicationCriticalpatent/PL320384A1/en
Publication of PL181350B1publicationCriticalpatent/PL181350B1/en
Method of mounting a ventilation air admitting partition in an underground working, mounting kit therefor and ventilation air admitting partition for underground workings