求助--ISO3262系列标准，谢谢。

Gary

求助ISO 3262系列标准，望大侠们帮助，谢谢。
ISO 3262-1:1997 Extenders for paints -- Specifications and methods of test -- Part 1: Introduction and general test methods
ISO 3262-2:1998 Extenders for paints -- Specifications and methods of test -- Part 2: Barytes (natural barium sulfate)
ISO 3262-3:1998 Extenders for paints -- Specifications and methods of test -- Part 3: Blanc fixe
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ISO 3262-21:2000 Extenders for paints -- Specifications and methods of test -- Part 21: Silica sand (unground natural quartz)
ISO 3262-22:2001 Extenders for paints -- Specifications and methods of test -- Part 22: Flux-calcined kieselguhr