发明授权
US4714332A Film data reading device 失效
电影数据读取装置

Film data reading device
摘要:
A film data reading device is provided with contacts for reading a data relative to a film from a data code part provided on a film cartridge. The contacts are arranged to be protrusible into and retractable from a cartridge loading chamber and to be retracted from the cartridge chamber when loading the chamber with the film cartridge.
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