Plastics piping systems. Glass-reinforced thermosetting plastics (GRP) pipes and fittings. Test methods to prove the leaktightness of the wall under short-term internal pressure. (ISO 7511:1999, IDT)
State standardization system of the Republic of Uzbekistan. The procedure for checking, revision, amendment and cancellation of standards and technical specifications
State system for ensuring the uniformity of measurements of the Republic of Uzbekistan. Experts in the area of uniformity of measurements. Qualifications, training and certification of personnel
€20
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