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TCVN 5367-1991 Fruits vegetables and derived products Determination of arsenic content Silver diethyldithiocarbamate spectrophotometric method《蔬菜 水果和衍生产品 砷含量的测定 二乙氨基二硫代甲酸银光度法》.pdf
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11
TCVN 5366-1991 Fruit and vegetable products Determination of dry matter content by drying under reduced pressure and of water content by azeotropic distillation《水果和蔬菜制品 在降低压力下采用干燥法.pdf
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6
TCVN 50-1986 Countersunk head screws Design and dimensions《沉头螺钉 设计和尺寸》.pdf
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4人阅读
11
TCVN 4998-1989 Agricultural food products Determination of crude fibre content Modified Scharrer method《农产食品 粗纤维含量的测定 改进的沙勒法》.pdf
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9
TCVN 4997-1989 Cereals and pulses Test for infestation by X-ray examination《谷物与豆类 用X射线检查法测试侵扰》.pdf
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5人阅读
19
TCVN 4996-3-2011 Cereals Determination of bulk density called mass per hectolitre Part 3 Routine method《谷物 体积密度 亦称每百升质量的测定 第3部分 常规方法》.pdf
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25
TCVN 4996-2-2011 Cereals Determination of bulk density called mass per hectolitre Part 2 Method of traceability for measuring instruments through reference to the international sta.pdf
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11
TCVN 4469-1987 Receivers for monochrome televisions broadcast transmission Types main parameters and technical requirements《黑白电视广播传输用接收器 类型 主要参数和技术要求》.pdf
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21
TCVN 4463-1987 Broadcasting radio receivers Classification basic parameters and technical requirements《广播无线电接收器 分类 基本参数和技术要求》.pdf
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5
TCVN 4460-1987 Barite concentrate for export Specifications《出口的重晶石精矿 规范》.pdf
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