Russian standards PDF
Non-destructive testing. Equipment for eddy current examination. Part 1. Instrument characteristics and verification
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Non-destructive testing. Equipment for eddy current examination. Part 2. Probe characteristics and verification
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Non-destructive testing of welds. Time-of-flight diffraction technique (TOFD). Acceptance levels
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Machine tools safety. Presses. Part 3. Safety requirements for hydraulic presses
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Measurement of flow in closed conduits. Ultrasonic meters for gas. Technical and metrological requirements
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Secondary cells and batteries. Requirements for marking by type of electrochemical system
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