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This standard applies to lead glass for capacitors. SJ 20029-1992 Specification for glass for glass dielectric trimmer capacitors
SJ 20027-1992 General Specification for Solid-State Lasers SJ20027-1992 Standard download decompression password: www.bzxz.net
本标准规定了可反复抑制瞬态过电压冲击的、其交流正弦额定工作电压为50V~750V(压敏电压为82V~1200V)的电子设备用压敏电阻器的安全要求和试验方法。这种器件可以是一个压敏电阻件,也可以是多个压敏电阻件的并联和/或串联组合。 SJ 11267-2002
SJ 11242 specifies the 64-dot matrix fonts of Chinese characters in GB 13000.1. If there is no character in column G, the characte
SJ 11242 specifies the 64-dot matrix fonts of Chinese characters in GB 13000.1. If there is no character in column G, the characte
SJ 11242 specifies the 64-dot matrix fonts of Chinese characters in GB 13000.1. If there is no character in column G, the characte
This standard specifies the 14-dot matrix fonts of graphic characters in GB 2312. The Chinese character font is based on Songti. T
This standard specifies the 12-dot matrix fonts of graphic characters in GB 2312. The Chinese character fonts are based on the boo