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Optics and photonics. Optical elements. Surface defects. Visual control
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Optics and photonics. Laser cladding by metal materials. Terms and definitions
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Welding production qualification system. Part 2. Welding personnel qualification. Rules
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Welding production qualification system. Part 3. Company status verification to perform welding operations. Rules
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Welding production qualification system. Part 4. Welding consumables qualification. Rules
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Welding production qualification system. Part 5. Welding equipment qualification. Rules
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