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ISO 19634 2017 Fine ceramics (advanced ceramics advanced technical ceramics) Ceramic composites Notations and symbols.pdf
ISO 6506-4 2014 Metallic materials — Brinell hardness test — Part 4 Table of hardness values.pdf
ISO 14689 2017 Geotechnical investigation and testing Identification description and classification of rock.pdf
ISO IEC 24793-1 2010 Information technology — Mobile multicast communications Framework — Part 1.pdf
ISO 16891 2016 Test methods for evaluating degradation of characteristics of cleanable filter media.pdf
ISO 3386-2 1997 Flexible cellular polymeric materials — Determination of stress-strain characteristics in compression — Part 2 High-density materials.pdf
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ISO 16946 2017 Non-destructive testing — Ultrasonic testing — Specification for step wedge calibration block.pdf
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GB-T 17580.2-1998 信息技术 开放系统互连 虚拟终端基本类协议 第2部分 协议实现一致性声明.pdf
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