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ASTM C778-2006 标准砂的标准规范

上一篇: ASTM C1252-2006 细集料中未压实空隙率的标准试验方法(受颗粒形状、表面状态和粒度的影响)
下一篇: ASTM C341/C341M-2006 水凝水泥灰浆和混凝土的铸造、钻孔或锯成样品长度改变的标准实施规程

Product Code:SAE J810
Title:Classification of Common Surface Imperfections in Sheet Steel
Issuing Committee:Sheet And Strip Steel Committee
Scope: Common or obvious surface imperfections, which sometimes occur in sheet steel, are normally visible to the naked eye before or after fabrication. Illustrations and definitions of these imperfections are contained in this SAE Information Report. The identifying names are those commonly used throughout the steel industry. The imperfections identified include the major and most often encourntered imperfections known to exist at this time. These imperfections are variable in appearance and severity. Extreme conditions have been selected in some instances in order to obtain suitable photographs.
Rationale: Common or obvious surface imperfections, which sometimes occur in sheet steel, are normally visible to the naked eye before or after fabrication. Illustrations and definitions of these imperfections are contained in this SAE Information Report. The identifying names are those commonly used throughout the steel industry. The imperfections identified include the major and most often encourntered imperfections known to exist at this time. These imperfections are variable in appearance and severity. Extreme conditions have been selected in some instances in order to obtain suitable photographs.

标准名称：	国境口岸卫生质量分级评定标准
英文名称：	Grade assessing criteria of sanitary quality at frontier port
中标分类：	医药、卫生、劳动保护 >> 卫生 >> 卫生检疫
ICS分类：
发布日期：	2005-05-20
实施日期：	2005-12-01
首发日期：
作废日期：
起草单位：	国家认证认可监督管理委员会
出版日期：
页数：	10页

本标准规定了国境口岸卫生质量分级评定的对象、内容、方法与程序和评定结论。本标准适用于检验检疫机构对国境口岸卫生质量的分级评定。

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