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GB/T 12449-1990 standard english preview version PDF file download

GB Standard Code GB/T 12449-1990
Standard Category China National Standards
GB Standard English Title Interface for using dedicated interconnections between sound and television broadcasting transmitting equipment and supervisory equipment
GB Standard Chinese Title 以专用连接线方式互连的声音和电视广播发射设备与监控设备之间的接口
Chinese Version Price $15 USD per 50 pages
English Translation Price About $15  per 1 page; Inquire us for detail price

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