文章标签：jcs

JCS系统IC卡智能水表电池更换操作指南

描述:该文件介绍了JCS系统IC卡智能水表更换电池的步骤，包括拆封、拔出电池盒、更换电池和还原电池盒等。描述 […]

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philips SAA5261 SAA5262 SAA5263 10-page intelligent teletext decoders 数据手册