幻灯片放映机与幻灯片;幻灯片放映机;投影数据
Slide projectors and slides; Slide projectors; Projection data
Optical instruments 与“光学仪器”相关的标准资料,支持在当前标签内搜索。
Slide projectors and slides; Slide projectors; Projection data
Slide projectors and slides; straight cartridge 5×5-36 and 5×5-50, gauge for cartridge profile and gear system
Slide projectors and slides; straight cartridge 5 × 5-36 and 5 × 5-50, dimensions
Slide projectors and slides; overhead projectors, aperture area, location pins, projection screens, evaluation
Slide projection, overhead projectors, test for minimum requirements for use in practice
Slide projectors and slides; outer diameter for lens mount of projection lenses
Slide projectors and slides — Part 56: Slide frames and lantern slides for general use and for theatre projection — Certification scheme
Slide projectors and slides; straight cartridge 5 × 5-36 and 5 × 5-50; certification scheme
Slide projectors and slides — Part 20: Valuation of slide projectors, range of valuation
Slide projectors and slides; projector slides for general use and for theatre projection, nominal sizes, dimensions of masks, picture position and marking