API RP 578-2023 新建及现有合金管道系统的材料校验大纲.pdf文档页数:25文档大小:9.63MB文档格式:pdf Material Verification Program for New and Existing Assets API RECOMMENDED PRACTICE 578 FOURTH EDITION FEBRUARY 2023 AP American Petroleum Institute Special N
ASTM F1733-20 聚酰胺(PA)塑料管和管材的对接热融聚酰胺(PA)塑料配件的标准规范.pdf文档页数:6文档大小:2.85MB文档格式:pdf This international standard was developed in accordance with internationally recognized principles on standardization established in
ASTM E1740-20a 用锥形量热计测定墙面覆盖层或天花板覆盖层复合材料的热释放率和其他耐火试验响应特性的标准试验方法.pdf文档页数:12文档大小:4.79MB文档格式:pdf This international standard was developed in accordance with internationally recognized principles o