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Zirconium containing refractory materials and products. Methods for determination of yttrium oxide
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Jaw (mouth), end of the wrench and flat-to-flat dimensions
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System of design documentation for construction. Hoisting-and-conveying machinery. Symbols
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Physical culture, health-improvement and sport services. Requirements for consumers’ safety
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Non-destructive testing of welds. Ultrasonic testing. Use of time-of-flight diffraction technique (TOFD)
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Smoothing devices of railway traction substations of direct current. Method for selecting the main parameters
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