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[JB/T 5229-1991] 滤纸式烟度计 技术条件[已作废]
发布时间：1991-07-10
实施时间：1992-07-01
本标准规定了滤纸式烟度计的技术要求、试验方法、检验规则、标志、包装、运输、贮存和保证期。
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发布时间：1991-06-08
实施时间：1991-11-01
本规程适用于新制造、使用中和修理后的水质综合分析仪的检定。
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[ZB Y 271-1984] 内标式工业玻璃温度计型和基本尺寸[已作废]
发布时间：1991-04-01
实施时间：1991-04-01
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[MT 227-1990] 煤中全硫高温燃烧测定仪技术条件[已作废]
发布时间：1990-12-31
实施时间：1991-05-01
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[MT 228-1990] 煤中碳氢测定仪技术条件[已作废]
发布时间：1990-12-31
实施时间：1991-05-01
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[ZB N 51001-1990] 电解湿度计通用技术条件[已作废]
发布时间：1989-07-01
实施时间：1989-07-01
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[ZB N 51002-1990] 实验室旋转粘度计通用技术条件[已作废]
发布时间：1989-07-01
实施时间：1989-07-01
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发布时间：1989-03-31
实施时间：1990-05-01
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