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 filedfiledCritical
Priority to PL26444987ApriorityCriticalpatent/PL152345B1/en
Publication of PL264449A1publicationCriticalpatent/PL264449A1/en
Publication of PL152345B1publicationCriticalpatent/PL152345B1/en
Method for protecting against gas outflow in case of flame extinquishment in water district heating boilers fired with gas and a device for application of this method