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NC 20-03-1967 Chemical products Clasification and definitions《化学产品的分类和定义》.pdf
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7
NC 12-04-29-1988 Standards System for Protoction Against Corrosion Electrolytic Metallie Coatings Method- of Decermination of Internal Stress《抗蚀保护标准系统 电解金属外衣 内应力测量方法》.pdf
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15
NC 12-04-26-1989 Standards System for Protection Against Corrosion Metallic and Non-Metallic Coatings General Requirements of Non-destructive Methods for Thickness Measurement《抗蚀保护.pdf
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4
NC 12-04-25-1986 corrosion Protection Standards Systum Metallic and Non-Metaliic Inorganic Coatings Brightness Determination《防腐蚀保护的标准系统 金属和非金属无机涂层 亮度测试》.pdf
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6
NC 12-04-24-1986 Standards System for Protection Against Corrosión Paint and Varnlsh Coatings Deíermination of Acid and Alkaline Solutions Resistance《防腐蚀保护的标准系统 油漆和清漆涂层 抗酸和碱金属溶液测定》.pdf
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8
NC 12-04-22-1986 Standards System for Protection Against Corrosión Paint and Varnish Coatings Determination of Levelling Capacity《防腐蚀保护的标准系统 油漆和清漆涂层 水平能力测定》.pdf
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9
NC 07-04-1969 Grooved pulleys for V-belts Dimensions《V型带的槽轮尺寸》.pdf
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4
NC 07-03-1969 Pulleys for fiat transmission belts Dimensions《扁平传输带的滑轮 尺寸》.pdf
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2
NC 07-02-1971 Basik rack of cylindrical gears Selection of Modules《圆柱齿轮的基准齿条 模块选择》.pdf
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5人阅读
8
NC 06-81-1988 Fastenings Spring Lock Washers Quality Specifications《紧固装置 弹簧锁定垫圈的质量规范》.pdf
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