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US3987980A Simplified precision tape cassette and system 失效
简化的精密胶带和系统

Simplified precision tape cassette and system
摘要:
A tape recording deck employs a capstan, transducer, and precision tape guide all mounted in fixed aligned position and immovable during use. The cassette has a minimum of parts, none of which need high precision manufacture, and can be inserted into and removed from the deck with a unidirectional motion.
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