专利 一种大功率风电磁齿轮箱低速级磁齿轮的优化设计方法
ISO 6881 2023 Radio-frequency identification of animals — Code structure ultra high fr.pdf
ISO 19652 2018 Fine ceramics (advanced ceramics advanced technical ceramics) Test method for complete decomposition performance of semiconducting photocatalytic materials under indoor lighting enviro.pdf
ISO 20480-2 2018 Fine bubble technology General principles for usage and measurement of fine bubbles Part 2 Categorization of the attributes of fine bubbles.pdf
ISO IEC 20741 2017 Systems and software engineering — Guideline for the evaluation and selection of software engineering tools.pdf
ISO 4892-1 2024 Plastics Methods of exposure to laboratory light sources Part 1 General guidance and requirements.pdf
ISO 23512 2021 Plastics Joining of thermoplastic moulded components Specification of variables for thermal joining processes.pdf
ISO 17420-5 2021 Respiratory protective devices — Performance requirements — Part 5 Special application fire and rescue services - Supplied breathable gas RPD and filtering RPD.pdf
ISO 19011-2018.pdf
ISO 12215-7 2020 Small craft — Hull construction and scantlings — Part 7 Determination of loads for multihulls and of their local scantlings using ISO 12215-5.pdf
ISO 1651 1974 Tube drawing mandrels.pdf
GB-T 12618.3-2006 开口型平圆头抽芯铆钉 12级.pdf
GB 18956-2003 木工机床安全 平压两用刨床.pdf
GB-T 23423-2009 宽体飞机主舱集装箱、集装板装载机功能要求.pdf
GB-T 25779-2010 承重混凝土多孔砖.pdf
GB-T 11834-2011 工农业机械用摩擦片.pdf
GB-T 9797-2005 金属覆盖层 镍+铬和铜+镍+铬电镀层.pdf
GB-T 2980-2018 工程机械轮胎规格、尺寸、气压与负荷.pdf
GB-T 4357-2009 冷拉碳素弹簧钢丝.pdf
GB-T 19868.1-2005 基于试验焊接材料的工艺评定.pdf
GB-T 15684-2015 谷物碾磨制品 脂肪酸值的测定.pdf