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NC 46-03-1986 Glass Determination of Hydrolytic Resistance of Glass Grains at 98 C Testing Method and Classification《玻璃 98C 玻璃齿抗水解测定 测试方法和分类》.pdf 10

NC 46-03-1986 Glass Determination of Hydrolytic Resistance of Glass Grains at 98 C Testing Method and Classification《玻璃 98C 玻璃齿抗水解测定 测试方法和分类》.pdfNC 46-03-1986 Glass Determination of Hydrolytic Resistance of Glass Grains at 98 C Testing Method and Classification《玻璃 98C 玻璃齿抗水解测定 测试方法和分类》.pdf

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NC 46-02-1985 Glass Pressed Vessels General Quality Specifications《玻璃 模制容器 一般质量规格》.pdf 12

NC 46-02-1985 Glass Pressed Vessels General Quality Specifications《玻璃 模制容器 一般质量规格》.pdfNC 46-02-1985 Glass Pressed Vessels General Quality Specifications《玻璃 模制容器 一般质量规格》.pdf

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NC 46-01-1984 Glass Reclaimed Glass General Rules for the Selection Recollection and Conservation《玻璃 供选择的回收玻璃一般原则 收集和保存》.pdf 4

NC 46-01-1984 Glass Reclaimed Glass General Rules for the Selection Recollection and Conservation《玻璃 供选择的回收玻璃一般原则 收集和保存》.pdfNC 46-01-1984 Glass Reclaimed Glass General Rules for the Selection Recollection and Conservation《玻璃 供选择的回收玻璃一般原则 收集和保存》.pdf

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NC 39-30-1987 National System for Scientific and Technical Information Manuscripts Bibliographic Description《国家科学技术信息系统 手写 书目描述》.pdf 40

NC 39-30-1987 National System for Scientific and Technical Information Manuscripts Bibliographic Description《国家科学技术信息系统 手写 书目描述》.pdfNC 39-30-1987 National System for Scientific and Technical Information Manuscripts Bibliographic Description《国家科学技术信息系统 手写 书目描述》.pdf

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NC 39-29-1987 National System for Scientific Technical Information Written Documents Numbering of División and Subdivisions《国家科学技术信息系统 书写文件 分类和再分类的编号》.pdf 4

NC 39-29-1987 National System for Scientific Technical Information Written Documents Numbering of División and Subdivisions《国家科学技术信息系统 书写文件 分类和再分类的编号》.pdfNC 39-29-1987 National System for Scientific Technical Information Written Documents Numbering of División and Subdivisions《国家科学技术信息系统 书写文件 分类和再分类的编号》.pdf

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NC 39-28-1987 National Scientific and Technical Information System General Principies《国家科学技术信息系统 一般原则》.pdf 4

NC 39-28-1987 National Scientific and Technical Information System General Principies《国家科学技术信息系统 一般原则》.pdfNC 39-28-1987 National Scientific and Technical Information System General Principies《国家科学技术信息系统 一般原则》.pdf

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NC 39-27-1987 National System for Scientific and Technical Information Types of Roundups Terms and Definitions《国家科学技术信息系统 摘要类型 术语和定义》.pdf 6

NC 39-27-1987 National System for Scientific and Technical Information Types of Roundups Terms and Definitions《国家科学技术信息系统 摘要类型 术语和定义》.pdfNC 39-27-1987 National System for Scientific and Technical Information Types of Roundups Terms and Definitions《国家科学技术信息系统 摘要类型 术语和定义》.pdf

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NC 39-24-1986 National System for Scientific and Technical Information Bibliographic Description for Musical Works《国家科学技术信息系统 音乐工作的与书目有关的描写》.pdf 60

NC 39-24-1986 National System for Scientific and Technical Information Bibliographic Description for Musical Works《国家科学技术信息系统 音乐工作的与书目有关的描写》.pdfNC 39-24-1986 National System for Scientific and Technical Information Bibliographic Description for Musical Works《国家科学技术信息系统 音乐工作的与书目有关的描写》.pdf

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NC 29-14-1987 Pesticides Suspensibility Testing Methods《杀虫剂 悬浮能力测试方法》.pdf 7

NC 29-14-1987 Pesticides Suspensibility Testing Methods《杀虫剂 悬浮能力测试方法》.pdfNC 29-14-1987 Pesticides Suspensibility Testing Methods《杀虫剂 悬浮能力测试方法》.pdf

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NC 29-13-1987 Pesticides Dithiocarbamates Photometric Determination of Residues《杀虫剂 二硫代氨基甲酸盐 残留物的光度计测定》.pdf 10

NC 29-13-1987 Pesticides Dithiocarbamates Photometric Determination of Residues《杀虫剂 二硫代氨基甲酸盐 残留物的光度计测定》.pdfNC 29-13-1987 Pesticides Dithiocarbamates Photometric Determination of Residues《杀虫剂 二硫代氨基甲酸盐 残留物的光度计测定》.pdf

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