非金属纸基湿式摩擦材料
Nonmetallic paper based wet type frictional materials

2018-12-28

非金属橡胶基湿式摩擦材料
Nonmetallic rubber base wet type frictional materials

2018-12-28

摩擦材料用非金属添加物
Non-metallic mineral fillings for friction materials

2021-03-05

PLAIN WHEELS FOR SAWS GRINDING OF NON METALLIC MATERIALS. TYPE 1.
非金属材料锯磨用平轮 第一类

1975-09-15

Non-metallic materials - General organisation of standardisation - Links between types of standards
非金属材料.标准化的一般组织.标准类型之间的联系

2001-10-31

Pendulum-type impact-testing machines for Non-Metallic Materials -- Verification of testing machines (Foreign Standard)
非金属材料摆锤式冲击试验机试验机的验证（国外标准）

2011-01-01

Aerospace series - Non-metallic materials - General organization of standardization - Links between types of standards; German and English version EN 4385:2022
航空航天系列.非金属材料.一般标准化组织.标准类型之间的联系；德语和英语版本EN 4385:2022

2022-07-01