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NC 90-13-11-1986 Metrological Assurance Refractometer Measurement Means and Methods《计量保证体系 折射计 测量方法和手段》.pdf 8

NC 90-13-11-1986 Metrological Assurance Refractometer Measurement Means and Methods《计量保证体系 折射计 测量方法和手段》.pdfNC 90-13-11-1986 Metrological Assurance Refractometer Measurement Means and Methods《计量保证体系 折射计 测量方法和手段》.pdf

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NC 79-17-1985 Meat Products Pork-Sausages Quality Specifications《肉类产品 猪肉香肠 质量规格》.pdf 8

NC 79-17-1985 Meat Products Pork-Sausages Quality Specifications《肉类产品 猪肉香肠 质量规格》.pdfNC 79-17-1985 Meat Products Pork-Sausages Quality Specifications《肉类产品 猪肉香肠 质量规格》.pdf

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NC 79-16-1985 Meat and Meat Products Carmed Beef Cuts Quality Specifications《肉类产品 罐装牛肉 质量规格》.pdf 8

NC 79-16-1985 Meat and Meat Products Carmed Beef Cuts Quality Specifications《肉类产品 罐装牛肉 质量规格》.pdfNC 79-16-1985 Meat and Meat Products Carmed Beef Cuts Quality Specifications《肉类产品 罐装牛肉 质量规格》.pdf

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NC 79-15-1985 Meat Products Smoked Back Quality Specifications《肉类产品 烟熏后背 质量规格》.pdf 8

NC 79-15-1985 Meat Products Smoked Back Quality Specifications《肉类产品 烟熏后背 质量规格》.pdfNC 79-15-1985 Meat Products Smoked Back Quality Specifications《肉类产品 烟熏后背 质量规格》.pdf

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NC 79-13-1984 Meat Products Viaking Ham Quallty Specifioations《肉类产品 火腿 质量规格》.pdf 6

NC 79-13-1984 Meat Products Viaking Ham Quallty Specifioations《肉类产品 火腿 质量规格》.pdfNC 79-13-1984 Meat Products Viaking Ham Quallty Specifioations《肉类产品 火腿 质量规格》.pdf

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NC 79-08-1988 Meat Industry Elaborate Bovine Cattle Casings Quality Specifications《肉类产品 精致牛肉包装 质量规格》.pdf 12

NC 79-08-1988 Meat Industry Elaborate Bovine Cattle Casings Quality Specifications《肉类产品 精致牛肉包装 质量规格》.pdfNC 79-08-1988 Meat Industry Elaborate Bovine Cattle Casings Quality Specifications《肉类产品 精致牛肉包装 质量规格》.pdf

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NC 60-25-1987 Teaching Equipment Teaching Instruments for Tracing Triangles Quality Specifications《教学仪器 三角画图仪 质量规范》.pdf 8

NC 60-25-1987 Teaching Equipment Teaching Instruments for Tracing Triangles Quality Specifications《教学仪器 三角画图仪 质量规范》.pdfNC 60-25-1987 Teaching Equipment Teaching Instruments for Tracing Triangles Quality Specifications《教学仪器 三角画图仪 质量规范》.pdf

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NC 60-24-1987 Teaching Equipment Rulers 30 and 50 cms Quality Specifications《教学仪器 标尺30和50厘米 质量规范》.pdf 10

NC 60-24-1987 Teaching Equipment Rulers 30 and 50 cms Quality Specifications《教学仪器 标尺30和50厘米 质量规范》.pdfNC 60-24-1987 Teaching Equipment Rulers 30 and 50 cms Quality Specifications《教学仪器 标尺30和50厘米 质量规范》.pdf

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NC 60-23-1987 Teaching Equipment School Furniture Terms and Definitions《教学设备 学校办公用具 术语和定义》.pdf 10

NC 60-23-1987 Teaching Equipment School Furniture Terms and Definitions《教学设备 学校办公用具 术语和定义》.pdfNC 60-23-1987 Teaching Equipment School Furniture Terms and Definitions《教学设备 学校办公用具 术语和定义》.pdf

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NC 60-17-1986 Electrotechnics Telephone Wires and Cables General Quality Specifications《电工学 电话线和电缆 一般质量规范》.pdf 20

NC 60-17-1986 Electrotechnics Telephone Wires and Cables General Quality Specifications《电工学 电话线和电缆 一般质量规范》.pdfNC 60-17-1986 Electrotechnics Telephone Wires and Cables General Quality Specifications《电工学 电话线和电缆 一般质量规范》.pdf

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