机械制图用计算机信息交换常用长仿宋矢量字体、代(符)号
Vector common long fangsongti letterings and symbols in mechanical drawings and computer for information interchange
标准状态
发布于：1992-02-09
实施于：1992-10-01
已废止
基本信息
内容预览
Vector common long fangsongti letterings and symbols in mechanical drawings and computer for information interchange