ISO/TR 8550-2-2007
不连续性项目批量检验用验收取样系统的选择和使用指南.第2部分:计数取样

不连续性项目批量检验用验收取样系统的选择和使用指南.第2部分:计数取样 是非强制性国家标准，您可以免费下载前三页

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适用范围: The guidance given in this part of ISO/TR 8550 is confined to acceptance sampling of products that are supplied in lots and that can be classified as consisting of discrete items (i.e. discrete articles of product). Each item in a lot can be identified and segregated from the other items in the lot and has an equal chance of being included in the sample. Each item of product is countable and has specific characteristics that are measurable or classifiable as being conforming or nonconforming (to a given specification). Standards on acceptance sampling by attributes are applicable to a wide variety of inspection situations. These include, but are not limited to, the following: a) end items, such as complete products or sub-assemblies; b) components and raw materials; c) services; d) materials in process; e) supplies in storage; f) maintenance operations; g) data or records; h) administrative procedures. Although this part of ISO/TR 8550 is written principally in terms of manufacture and production, it is applicable to the selection of sampling systems, schemes and plans for all types of product and processes as defined in ISO 9000.

ISO/TR 8550-2-2007不连续性项目批量检验用验收取样系统的选择和使用指南.第2部分:计数取样