混凝土强度试验结果评定推荐规程
Recommended Practice for Evaluation of Strength Test Results of Concrete
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Recommended Practice for Evaluation of Strength Test Results of Concrete
Admixtures for concrete, mortar and grout - Part 6: Sampling, conformity testing and assessment
Binders - Rapid identification of cements at delivery by comparison with a reference sample
Binders - Rapid test for cement by comparison with reference samples at delivery
Industrial valves — Testing of valves — Part 1: Pressure tests, test procedures and acceptance criteria — Mandatory requirements
Non-destructive testing - Penetrant testing - Part 1: General principles
Pipes and fittings of unplasticized poly(vinyl chloride) (PVC-U) with ring seal socket for non-pressure underground drainage and sewerage – Part 3: Quality control and installation