ASTM D 2500-1991 石油产品始凝点的试验方法

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Product Code:SAE J1272
Title:Felling Head Terminology and Nomenclature
Issuing Committee:Mtc4, Forestry And Logging Equipment
Scope:This SAE Standard is intended to describe the basic types of felling heads, including those with bunching capabilities, that are attachments to a self-propelled machine. Only the major components that are necessary to describe the functions to the felling head, and to apply the principles of the recommended practice are included. Illustrations used are not intended to include all existing felling heads or to describe any particular manufacturer's variation.

标准名称：	核空气和气体处理规范 通风、空调与空气净化 第3部分：风道
发布部门：	国家能源局
发布日期：	2012-10-19
实施日期：	2013-03-01
首发日期：
作废日期：
出版日期：	2013-03-01

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