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NF Z67-310-1982 Data Processing - Management Application - Guide for the Drafting of Specifications for the Computerization of the Export Function《数据处理 管理应用 导出函数电算化规范制图指南》.pdf 25

NF Z67-310-1982 Data Processing - Management Application - Guide for the Drafting of Specifications for the Computerization of the Export Function《数据处理 管理应用 导出函数电算化规范制图指南》.pdfNF Z67-310-1982 Data Processing - Management Application - Guide for the Drafting of Specifications for the Computerization of the Export Function《数据处理 管理应用 导出函数电算化规范制图指南》.pdf

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NF Z67-288-2003 Systems engineering - Systems life cycle processes 《系统工程 系统寿命周期过程》.pdf 68

NF Z67-288-2003 Systems engineering - Systems life cycle processes 《系统工程 系统寿命周期过程》.pdfNF Z67-288-2003 Systems engineering - Systems life cycle processes 《系统工程 系统寿命周期过程》.pdf

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NF Z67-200-1978 Specification for decision tables in data processing 《数据处理信息判定表规范》.pdf 13

NF Z67-200-1978 Specification for decision tables in data processing 《数据处理信息判定表规范》.pdfNF Z67-200-1978 Specification for decision tables in data processing 《数据处理信息判定表规范》.pdf

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NF X45-308-2000 Filter cartridges - Test methods - Verification of resistance to high temperatures 《过滤盒 试验方法 耐高温性能的验证》.pdf 20

NF X45-308-2000 Filter cartridges - Test methods - Verification of resistance to high temperatures 《过滤盒 试验方法 耐高温性能的验证》.pdfNF X45-308-2000 Filter cartridges - Test methods - Verification of resistance to high temperatures 《过滤盒 试验方法 耐高温性能的验证》.pdf

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NF X45-307-2000 Filter cartridges - Test methods - Verification of chemical resistance of filter elements 《过滤盒 试验方法 过滤器芯件耐化学物质性能的验证》.pdf 7

NF X45-307-2000 Filter cartridges - Test methods - Verification of chemical resistance of filter elements 《过滤盒 试验方法 过滤器芯件耐化学物质性能的验证》.pdfNF X45-307-2000 Filter cartridges - Test methods - Verification of chemical resistance of filter elements 《过滤盒 试验方法 过滤器芯件耐化学物质性能的验证》.pdf

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NF X45-306-2000 Filter cartridges - Test methods - Verification of the cleanliness 《过滤盒 试验方法 洁净度的验证》.pdf 9

NF X45-306-2000 Filter cartridges - Test methods - Verification of the cleanliness 《过滤盒 试验方法 洁净度的验证》.pdfNF X45-306-2000 Filter cartridges - Test methods - Verification of the cleanliness 《过滤盒 试验方法 洁净度的验证》.pdf

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NF X45-305-2000 Filter cartridges - Test methods - Determination of the mass of extractible materials by measuring the dry extract 《过滤盒 试验方法 通过测量干抽提取物对可抽取物质量的测定》.pdf 11

NF X45-305-2000 Filter cartridges - Test methods - Determination of the mass of extractible materials by measuring the dry extract 《过滤盒 试验方法 通过测量干抽提取物对可抽取物质量的测定》.pdfNF X45-305-2000 Filter cartridges - Test methods - Determination of the mass of extractible materials by measuring the dry extract 《过滤盒 试验方法 通过测量干抽提取物对可抽取物质量的测定》.pdf

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NF X45-304-2000 Filter cartridges - Test methods - Absolute filtration rating 《过滤盒 试验方法 绝对过滤速率》.pdf 16

NF X45-304-2000 Filter cartridges - Test methods - Absolute filtration rating 《过滤盒 试验方法 绝对过滤速率》.pdfNF X45-304-2000 Filter cartridges - Test methods - Absolute filtration rating 《过滤盒 试验方法 绝对过滤速率》.pdf

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NF X10-315-1990 Liquid flow measurement in open channels by weirs and flumes Rectangular braod-crested weirs 《用溢流堰和水槽测定明渠中的水流量 矩形宽顶溢流堰》.pdf 14

NF X10-315-1990 Liquid flow measurement in open channels by weirs and flumes Rectangular braod-crested weirs 《用溢流堰和水槽测定明渠中的水流量 矩形宽顶溢流堰》.pdfNF X10-315-1990 Liquid flow measurement in open channels by weirs and flumes Rectangular braod-crested weirs 《用溢流堰和水槽测定明渠中的水流量 矩形宽顶溢流堰》.pdf

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NF X10-314-1983 Liquid flow measurement in open channels by weirs and flumes End-depth method for estimation of flow in rectangular channels with a free overfall 《使用围堰和钭槽测量明渠中的液体流量.pdf 12

NF X10-314-1983 Liquid flow measurement in open channels by weirs and flumes End-depth method for estimation of flow in rectangular channels with a free overfall 《使用围堰和钭槽测量明渠中的液体流量.pdfNF X10-314-1983 Liquid flow measurement in open channels by weirs and flumes End-depth method for estimation of flow in rectangular channels with a free overfall 《使用围堰和钭槽测量明渠中的液体流量.pdf

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