Single-focal spectacle lenses, not faceted. General specifications for products supplied for export
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Lens spectacled bifocal non-astigmatic spherical non-faceted. Types. Rear apical refractions
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Lens spectacled bifocal non-astigmatic not prismatic. Rear apical refractions
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Testing spectacle lenses and prisms and plates. Deflections of lens refractions and prismatic prism actions. The main dimensions of the clips and opaque plates
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Lenses for protection against sun glare. Types. Basic parameters and dimensions. Technical requirements
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Occupational safety standards system. Goggles. Types
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Occupational safety standards system. Goggles
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Occupational safety standards system. Goggles. General specification
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Occupational safety standards system. Goggles. Nomenclature of quality indices
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Occupational safety standards system. Personal eye protection. Optical and non-optical parameters test methods
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Single-focal spectacle lenses, not faceted. General technical requirements
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Lenses, spectacled, bifocal non-astigmatic unacted whole. General specifications
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