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Application filed by Микола Миколайович Карпенко, Николай Николаевич КарпенкоfiledCriticalМикола Миколайович Карпенко
Priority to UA99084520ApriorityCriticalpatent/UA35995A/en
Publication of UA35995ApublicationCriticalpatent/UA35995A/en
The invention relates to area of building. The block is arranged as rectangular parallelepiped, there at least two through openings are provided, a that distance between the openings “a” is determined fro relationship: a=b+c+20 mm, where b – distance from the end outer point of the first opening to side surface of the block; c – distance from end outer point of the other opening to side surface of the block; 20 mm – allowance for mortar.