Mechanical structures for electronic equipment—Dimensions of mechanical structures of the 482.6 mm(19 in)series—Part 3-103:Keying and alignment pin
IDT IEC 60297-3-103:2004
全国电工电子设备结构综合标准化技术委员会(SAC/TC 34)
GB/T 19520的本部分仅包括与符合GB/T 19520.12的插箱和插件一起使用的定位销和编码键的新增接口尺寸。本部分也可与GB/T 19520.13一起联合使用。
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