State system for ensuring the uniformity of measurements. State special standard and all-union verification schedule for means measuring radiance and radiant intensity of heat sources within temperature range of 220-900 K
Occupational safety standards system. Protective clothing against toxic chemicals. Method for determination of resistance to permeation by liquids and gases
Broaches with diameter from 55 to 130 mm for slitting holes with involute profile with round tail and centering at outside diameter with module from 3 to 5 mm. Construction
€10
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