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Non-destructive testing of welded joints of thermoplastics semi-finished products. Part 2. X-ray radiographic testing
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Tool blacks for parting and grooving blades. Basic dimensions
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System of standards on information, librarianship and publishing. Electronic editions. Basic types and imprints
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Artificial intelligence algorithms in light-beam installations with natural and artificial sources of radiation. General requirements. Part 1. Light radiation
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