State system for ensuring the uniformity of measurements. State verification schedule for measuring instruments of chromatic dispersion in optical fiber
Gas cylinders, with a capacity of up to 500 liters and an working pressure of up to 40 MPa, with aluminum liner, reinforced with coating of polymer composites. General specifications
Design and manufacture of site built, vertical, cylindrical, flat-bottomed steel tanks for the storage of refrigerated, liquefied gases with operating temperatures between 0 °C and -165 °C. Part 5. Testing, drying, cleaning and cooling
€10
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