周口市城市市容和环境卫生管理条例
ISO IEC 21990 2002 Information technology — Telecommunications and information.pdf
ISO 21066 2018 Fine ceramics (advanced ceramics advanced technical ceramics) Qualitative and semiquantitative assessment of the photocatalytic activities of surfaces by the reduction of resazurin in .pdf
ISO 6713-1984Paints and varnishes. Preparation of acid extracts from paints in liquid or powder form.pdf
ISO 5227 2022 Traditional Chinese medicine — Safety controls for cupping devices.pdf
ISO 12812-1 2017 Core banking — Mobile financial services — Part 1 General framework.pdf
ISO 16565 2013 Rubber — Determination of 5-ethylidenenorbornene (ENB) or dicyclopentadiene (DCPD) in ethylene-propylene-diene (EPDM) terpolymers.pdf
ISO 10624 1998 Oil of elemi (Canarium luzonicum Miq.).pdf
ISO 6435 2024 Stainless steel bars for the reinforcement of concrete.pdf
ISO 17566 2011 Space systems — General test documentation.pdf
ISO 13967 2009 Thermoplastics fittings — Determination of ring stiffness.pdf
GB-T 11138-1994 工业芳烃铜片腐蚀试验法.pdf
GB-T 43619-2023 超压保护安全装置 受控安全泄压系统.pdf
GB-T 25297.2-2010 电阻点焊 电极接头,外锥度1 10 第2部分 末端插入式圆柱柄配合.pdf
GB-T 20159.7-2008 环境条件分类 环境条件分类与环境试验之间的关系及转换指南 携带和非固定使用.pdf
GB-T 17860.2-1999 电测量仪器 X-t记录仪 第2部分 推荐的附加试验方法.pdf
GB-T 5053.3-2006 道路车辆 牵引车与挂车之间电连接器 定义、试验方法和要求.pdf
GB-T 20910-2007 热水系统用温度压力安全阀.pdf
GB-T 11789-2007 绳索和绳索制品 系船用的天然纤维绳索与化学纤维绳索之间的等效性.pdf
GB-T 21014-2007 土方机械 计时表.pdf
GB-T 19989-2005 土壤耕作机械 锄铲 安装尺寸.pdf