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ISO/DIS 6552Under developmentAutomatic steam traps — Definitions of technical termsISO/DIS 6704Under developmentAutomatic steam traps — ClassificationISO 3545:1981WithdrawnSteel tubes and tubular shaped accessories with circular cross-section — Symbols to be used in specificationsISO 12092:2000WithdrawnFittings, valves and other piping system components made of unplasticized poly(vinyl chloride) (PVC-U), chlorinated poly(vinyl chloride) (PVC-C), acrylonitrile-butadiene-styrene (ABS) and acrylonitrile-styrene-acrylester (ASA) for pipes under pressure — Resistance to internal pressure — Test method