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technical norm of metrology
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technical norm of metrology
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工学
计量技术法规
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technical norm of metrology
计量技术规范
政府计量行政部门在其计量工作权限范围内,按照规定程序制定、批准和颁发的,对计量技术工作具有普遍约束力的技术文件。
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