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Information × Registration Number 0203U006818, 0100U001876 , R & D reports Title Designing of mathematic model of forecasting of protective efficiency of dust and gases protection of means of individual protection of respiratory organs popup.stage_title Head Ennan A.A., Registration Date 20-08-2003 Organization Ohysical-Chemical Institute of the Environment and Human"s protection popup.description2 A mathematical model for a design of "Snezhok" type light-weight respirators is proposed. The model involves both a mathematical formulation for the design of a respirator body including the fastening of its head bands and a procedure for the calculation of distributed local loads in the line of a respirator obturator when the respirator is pressed to its user face Product Description popup.authors popup.nrat_date 2020-04-02 Close