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 Inst Techniki BudowlanejfiledCriticalInst Techniki Budowlanej
Priority to PL25803186ApriorityCriticalpatent/PL258031A1/en
Publication of PL258031A1publicationCriticalpatent/PL258031A1/en