查看标准

请选择需要导出的字段:

ASTM D7449/D7449M-2008e1

用同轴架空电缆测量微波频率下固定材料相对复数电容率和相对导磁率的试验方法

Standard Test Method for Measuring Relative Complex Permittivity and Relative Magnetic Permeability of Solid Materials at Microwave Frequencies Using Coaxial Air Line

实施日期: 2008-11-15

标准解读