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[Internet-NetworkbalanceNationalProtocol

Description: 关于非自动衡器的国家技术规范,主要包括国标的各类衡器的技术规范,尤其JJG539-97、JJG648和JJG564,网上比较难得免费下载点-On non-automatic weighing instrument of national technical specifications, including National technical specifications of various scales, in particular JJG539-97, JJG648 and JJG564, relatively rare free download online at
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