ANSI/AAMI ST79/A 3.7-2012 卫生医疗设施蒸汽灭菌法和无菌保证综合指南

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标准名称：	中小学课业簿册安全卫生与质量要求
发布部门：	上海市质量技术监督局
发布日期：	2011-10-12
实施日期：	2012-01-01
首发日期：
作废日期：
出版社：	中国标准出版社
出版日期：	2012-01-01
页数：	16页

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Product Code:SAE J2275
Title:Internal Combustion Engines--Piston Ring-Grooves
Issuing Committee:Piston And Ring Standards Committee
Scope: This SAE standard identifies and defines the most commonly used terms for piston ring-goove charactersitics, specifies dimensioning for groove widths, and demonstrates the methodology for calculation of piston groove root diameter. The requirements of this document apply to pistons and rings of reciprocating internal combustione ngines and compressors working under analogous conditions, up to and including 200 mm diameter and 4.5 mm width for compression rings and 8.0 mm width for oil rings. The specifications in this document assume that components are measured at an ambient temperature of 20 degrees C (68 degrees F). Tolerances specified in this document represent a six sigma quality level.