SAE J1352 Compression and Recovery of Insulation Paddings

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Product Code:SAE J1352
Title:Compression and Recovery of Insulation Paddings
Issuing Committee:Acoustical Materials Committee
Scope:This test method is applicable for determining the relative compression and recovery of fibrous insulation padding materials.The purpose of this testing method is to establish a means of measuring the ability of fibrous insulation materials to resist compression and recover after being compressed, dry or wet. It should be noted that there are two test methods for each dry and wet test. Two methods have been found necessary for different loading applications, and also due to large variation in surface density of the padding materials. The results of these two test methods cannot be correlated to each other. The material specification should indicate which test is necessary for each application.
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Product Code:SAE AS33559
Title:Adapter, Aircraft, Jacking Point, Design and Installation Of
Issuing Committee:Age-2c Vehicle Maintenance And Aircraft Servicing Committee
Scope: No scope available.
Rationale: No scope available.
基本信息
标准名称:数字交换机的时钟和同步设备进入数字网的兼容性测试方法
英文名称:Compatibility test procedures of clock and synchroni-zation equipment of digital switch introduced into di-gital network
中标分类: 通信、广播 >> 通信网 >> 通信网结构
ICS分类: 电信、音频和视频技术 >> 电信系统 >> 数据通信网络
发布部门:国家技术监督局
发布日期:1991-09-16
实施日期:1992-06-01
首发日期:1991-09-16
作废日期:1900-01-01
主管部门:信息产业部(通信)
归口单位:信息产业部(通信)
起草单位:邮电部电信传输研究所
出版日期:1900-01-01
页数:9页
适用范围

本标准规定了数字交换机时钟和同步设备进入数字网的同步性能兼容性测试方法。本标准适用于数字网内新装的数字交换机与原有数字交换机的同步性能兼容性测试。

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所属分类: 通信 广播 通信网 通信网结构 电信 音频和视频技术 电信系统 数据通信网络