DIN 19030-5-1990 照相机透镜、复制和投影用滤光器.复印机用滤光器.彩色复制机的滤光器值和滤光器比例的测定

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Product Code:SAE AIR1800
Title:Aircraft Tail Bumpers
Issuing Committee:A-5b Gears, Struts And Couplings Committee
Scope:This SAE Aerospace Information Report (AIR) covers the field of civilian, commercial and military airplanes and helicopters. This summary of tail bumper design approaches may be used by design personnel as a reference and guide for future airplanes and helicopters that require tall bumpers. Those described herein will consist of simple rub strips, structural loops with a wear surface for runway contact, retractable installations with replaceable shock absorbers and wear surfaces and complicated retractable tail landing gears with shock strut, wheels and tires. The information will be presented as a general description of the installation, its components and their functions.【英文标准名称】:StandardSpecificationforExtrudedandCompressionMoldedRodandHeavy-WalledTubingMadefromPolytetrafluoroethylene(PTFE)
【原文标准名称】:聚四氟乙烯制挤压和压缩模塑杆和厚壁管标准规范
【标准号】:ASTMD6457-1999
【标准状态】:作废
【国别】:美国
【发布日期】:1999
【实施或试行日期】:
【发布单位】:美国材料与试验协会(ASTM)
【起草单位】:ASTM
【标准类型】:()
【标准水平】:()
【中文主题词】:厚壁管;形状;杆材;回收塑料;聚四氟乙烯
【英文主题词】:heavy-walledtubing;mouldedparts;plasticsandrubbertechnology;rod;materialstesting;polytetrafluoroethylene;polytetrafluoroethylene;shape;polymericmaterials;recycledplastic
【摘要】:
【中国标准分类号】:G33
【国际标准分类号】:83_140_30
【页数】:6P;A4
【正文语种】:英语