Topic The perikuru framework body, expanding the perikuru film, when adhesion, without the framework body deformation, furthermore, perikuru in the mask offer of the perikuru framework body where perikuru framework body itself follows vis-a-vis the deflecting also the rear of the arrival with the tare weight of the mask.SolutionsBeing the rectangular perikuru framework body, the perikuru framework body where deformation Characteristic of the said perikuru framework body 0.06% or less and description below, is displayed with general expression (1) following Characteristic of the said perikuru framework body each arm which above 3mm, following Characteristic of the said perikuru framework length arm is below 32mm, at the same time, length of the long side of the framework body the area above 1400mm, below 2100mm, and inside the said perikuru2 framework body above 15000cm, is. = (deflecting tonnage of 1/perikuru) thickness width (1)
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