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Evaluation and routine testing in medical imaging departments. Part 2-2. Constancy tests. Radiographic cassettes and film changers. Film-screen contact and relative sensitivity of the screen-cassette assembly
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Information protection .Identification and authentication. Authentication assurance levels
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Adjustable speed electrical power drive systems. Part 3. EMC requirements and specific test methods
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Metal covered electrodes for manual arc welding of high-alloyed steel with special properties. Types
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Welded steel vessels and apparatus under high pressure. Non-destructive control while the manufacturing and operating
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