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Application filed by Олег Михайлович ПриходькоfiledCriticalОлег Михайлович Приходько
Priority to UAU201200032UpriorityCriticalpatent/UA67674U/en
Publication of UA67674UpublicationCriticalpatent/UA67674U/en
Respiratory Apparatuses And Protective Means
(AREA)
Physical Or Chemical Processes And Apparatus
(AREA)
Abstract
A printed product consists of a set of sheets fixed to each other in a band of area to form a monolith. On one of sheets a band is made perforated from three sides, which length is 0.5-0.9 of the sheet length and two vertical sides of the perforated band are parallel to the fixing band.