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ISO 20852 on the determination of heat transfer from textile is relevant for:
Steel washers in BS EN 2139 are intended for use primarily underneath nuts
can normally occur
9 Expression of results
Standard Specification for High Purity Calcium Sulfate Hemihydrate or Dihydrate for Surgical Implants Ingestion-build-239834 ISO 20852 on the determination1. Scope 1. 1 This specification covers material requirements for unfabricated and fabricated forms of hydrated calcium sulfate intended for surgical implants. Fabricated forms may include pressed and cast surgical implants in various geometric shapes. The calcium sulfate hemihydrate in the unfabricated form can be converted with the addition of water or other watercontaining solutions to a fabricated calcium sulfate dihydrate form.
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