DIN 2510-2
Bolted Connections with Reduced Shank; Metric Thread with Large Clearence, Nominal Dimensions and Limits
现行
发布日期 :
2001-08-01
实施日期 :
DIN EN 13530-1
Cryogenic vessels - Large transportable vacuum insulated vessels - Part 1: Fundamental requirements
现行
发布日期 :
2001-08-01
实施日期 :
ITU-R SA.1345
Methods for predicting radiation patterns of large antennas used for space research and radio astronomy
现行
发布日期 :
2010-02-01
实施日期 :