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</html><description>Optics and optical instruments &#x2014; Preparation of drawings for optical elements and systems &#x2014; Part 2: Material imperfections &#x2014; Stress birefringence - Specifies the presentation of design and functional requirements for optical elements and systems in technical drawings used for manufacturing and inspection. Specifies the indication of the permissible stress birefringence in optical elements made of isotropic material.</description></oembed>
