GB 2704-1981 厚膜、薄膜集成电路型号命名方法

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Product Code:SAE J1084
Title:Operator Protective Structure Performance Criteria for Certain Forestry Equipment (Cancelled Apr 2008, Superseded by ISO 8084)
Issuing Committee:Mtc4, Forestry And Logging Equipment
Scope:This SAE Recommended Practice establishes the test procedures and minimum performance criteria necessary to fulfill the intended purpose and is applicable to Skidders, Grapple Skidders, and Crawlers when used in the harvesting of trees.Structures meeting these performance criteria may not provide complete operator protection under all conceivable circumstances, but they are expected to minimize the possibility of operator injury under reasonable operating situations.The performance requirements and test criteria included in this document are derived from investigations on operator protection that has performed the intended function in a variety of actual operating conditions.ObjectiveThis document is intended to establish a consistent, repeatable means of evaluating Operator Protective Structures (OPS) on Skidders, Grapple Skidders, and Crawlers when used in the harvesting of trees. Operator Protective Structures are structures/enclosures whose primary purpose is to minimize the possibility of operator injury from hazards such as whipping saplings, branches, jill-poking (spear-like objects), and snapping winch lines with the least adverse effect on operator visibility, comfort, and protection from other hazards.

标准名称：	冶金用锰矿石
英文名称：	Metallurgical manganese ore
中标分类：	矿业 >> 黑色金属矿 >> 锰矿
ICS分类：	采矿和矿产品 >> 金属矿 >> 锰矿
替代情况：	替代YB/T 319-1997
发布部门：	中华人民共和国国家发展和改革委员会
发布日期：	2005-07-26
实施日期：	2005-12-01
首发日期：	1900-01-01
作废日期：	1900-01-01
提出单位：	中国钢铁工业协会
归口单位：	冶金工业信息标准研究院
起草单位：	冶金工业信息标准院四川川投峨眉铁合金(集团)有限责任公司
起草人：	穆婷云、郑再春、唐应华、姚溯泉
出版社：	冶金工业出版社
出版日期：	2005-12-01
页数：	4页

本标准规定了冶金用锰矿石的分类、技术要求、试验方法、检验规则、包装、标志和质量证明书。
本标准适用于高炉和电炉冶炼各种锰质铁合金及其中问产品用锰矿石，包括天锰矿石、选矿和烧结锰矿。

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