电影放映用卷筒银幕系统
The reel of screen system for movie projection
2014-05-12
SJ/T 11218-2000
家庭影院用组合扬声器系统通用规范
General specification of compositive loudspeaker system for home theater
2000-03-20
DY/T 9-2025
数字影院放映用投影机系统技术要求和测量方法
ASTM C992-20a
Standard Specification for Boron-based Neutron Absorbing Material Systems for Use in Nuclear Fuel Storage Racks in Pool Environment
池环境中核燃料贮存架用硼基中子吸收材料系统的标准规范
2020-07-01
ASTM C1187-20a
Standard Guide for Establishing Surveillance Test Program for Boron-based Neutron Absorbing Material Systems for Use in Nuclear Fuel Storage Racks in Pool Environment
池环境中核燃料贮存架用硼基中子吸收材料系统监督试验程序建立的标准指南