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Application filed by Robert WinszefiledCriticalRobert Winsze
Priority to PL376569ApriorityCriticalpatent/PL376569A1/pl
Publication of PL376569A1publicationCriticalpatent/PL376569A1/pl
Ventilation duct system for exchanging at least a part of the air in a stable section, or in a stable arrangement with stable sections, and method for ventilating same