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MIL-HDBK-7B

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MIL-HDBK-7B, MILITARY HANDBOOK: LUMBER AND ALLIED PRODUCTS (6 AUG 1982)., lumber and wood products normally procured in considerable quantity for Department of Defense installations. Engineers are particular directed to the chapters dealing with strength of wood, preservative treatment, and moisture c o n t e n t . The chapters dealing with storage handling, tallying, inspection, grading, and sizes were written with the problems of inspectors, stock handlers, and supply clerks in mind. All of these chapters prove useful to the requisition writer by providing references useful in determining which species, q u a l i t i e s , and sizes of lumber, plywood, poles, railroad ties, and other wood products are usable for a given end use. This handbook also provides ready reference to the physical and mechanical properties of lumber products and the conditions of use that require special treatment with preservatives, fire r e t a r d a n t s , or special surfacing and machining. It is the primary purpose of this handbook to provide the kind of background information needed in making necessary decisions on all such problems. This type of information is not readily available elsewhere in a form directly related to supply problems involving lumber and allied products. To the extent that this handbook achieves its primary purpose, it is believed that important economies can be effected, greater assurance secured that the needed species, q u a l i t i e s , q u a n t i t i e s , and sizes will be received, and requisitioning procedures f a c i l i t a t e d . The handbook also has as part of its purpose to provide information on the handling, storage, and use of wood products to the end that better service will be obtained at less cost. The large quantities of wood products normally required by the various branches of the Department of Defense make economy of use just as essential as economical procurement; failure in the one can quickly offset any gains realized through success in the other. Moreover, proper handling, storage, and use are essential in the interest of conservation of the forest resources.

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【英文标准名称】:Trachealtubes.Specificationforalltypesoftubes
【原文标准名称】:气管.第1部分:全型号导气管的规范
【标准号】:BS3487Pt.1-1986
【标准状态】:作废
【国别】:
【发布日期】:
【实施或试行日期】:
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:
【中国标准分类号】:
【国际标准分类号】:
【页数】:
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基本信息
标准名称:形状和位置公差 通则、定义、符号和图样表示法
英文名称:Geometrical tolerancing-Generalities,definitions,synbiks,indications on drawings
中标分类: 机械 >> 机械综合 >> 基础标准与通用方法
ICS分类: 计量学和测量、物理现象 >> 长度和角度测量 >> 公差与配合
替代情况:替代GB 1182-1980;GB 1183-1980;被GB/T 1182-2008代替
发布部门: 国家标准化管理委员会
发布日期:1996-12-18
实施日期:1997-07-01
首发日期:1974-12-13
作废日期:2008-08-01
主管部门:国家标准化管理委员会
提出单位:中华人民共和国机械工业部
归口单位:全国产品尺寸和几何技术规范标准化技术委员会
起草单位:机械委标准化所
起草人:汪恺、周忠、刘巽尔、张纪真、唐保宁、吕林森、谢璟华
出版社:中国标准出版社
出版日期:1997-07-01
页数:41页
适用范围

本标准规定了工件需要的所有形状和位置公差(简称形位公差)的定义、提出了形位公差的基本要求、符号、标注和在图样中的表示方法。本标准适用于一切工业制品从功能出发的形状和位置公差要求。

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所属分类: 机械 机械综合 基础标准与通用方法 计量学和测量 物理现象 长度和角度测量 公差与配合