http://pastport.jp/user/rayclouds ja-JP "We have been committed to the photoelectric measurement industry, with a wealth of experience in the field of Optoelectronics and electronics technical personnel, including software development, mechanical design and service team. 2020-05-07T10:05:14+0900 http://pastport.jp/user/rayclouds/timeline/project%20manager rayclouds http://pastport.jp/user/rayclouds/timeline/project%20manager