Planning units that produce microfilm and other microforms, including site, services, equipment, operation and maintenance.
- BS 6660-1985 显微照相装置安装与维护指南（ 现行 ）
- 发布日期：2018-07-20 实施日期：1985-12-31 发布部门：
- 简介：Planning units that produce microfilm and other microforms, including site, services, equipment, operation and maintenance.