projection apparatus
短语词组
- Projection optical apparatus 发明名称
- electron beam projection exposure apparatus 电子束投影曝光机
- film projection apparatus 电影器材
- electronic projection apparatus 电子投影设备
- Projection type display apparatus 发明名称
- electronic organ projection apparatus 电子投影设备
- film phonograph projection apparatus 电影器材
- Transparency projection apparatus 幻灯片放映设备
- Focusing apparatus in projection television 发明名称 返回 projection apparatus