质量分级及“领跑者”标准评价要求 管道用球墨铸铁修补器

Assessment requirements for quality grading and forerunner - Ductile iron repair clamps for pipelines

铸造用人工硅砂通用技术条件

Technical standard for artificial silica sand for foundry

质量分级及“领跑者”评价要求 铸造用三乙胺冷芯盒法树脂

Assessment requirements for quality grading and forerunner TEA cured cold-box resin for foundry

质量分级及“领跑者”评价要求-水平定向钻法非开挖施工用球墨铸铁管

Assessment requirements for quality grading and forerunner – Ductile iron pipes for horizontal directional drilling trenchless applications

自磨机和半自磨机 衬板 技术条件

AG mill and SAG mill- Liners-Technical specifications

汽车压铸件孔隙率的测定方法

Porosity determination method of die casting for automobile

乘用车发动机用铝合金油底壳铸件

Aluminum alloy oil pan castings for passenger car engines

非开挖施工用球墨铸铁拖拉管

Ductile iron drag pipes for trenchless construction

铸造用α淀粉

α starch for casting

铸造砂型（芯）粘结剂喷射工艺用热硬化酚醛树脂

Thermosetting phenolic resin used for foundry sand mold (core) by binder jetting process