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消费者使用数字电子测量方法 - 电子和机械性能

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Methods of measurement for consumer-use digital VTRs - Electronic and mechanical performances (IEC 62122:2002); German version EN 62122:2002
消费者用数字录像机的测量方法.电子和机械性能（IEC 62122-2002）；德文版EN 62122:2002

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