| 1. | Hard anodizing of 2al2 aluminum alloy parts 2硬铝合金零件硬质阳极氧化工艺的改进 |
| 2. | Test method for compression of rigid cellular plastics 硬质泡沫塑料压缩试验方法 |
| 3. | General rules for testing fatigue of rigid plastics 检测硬质塑料疲劳性的一般规则 |
| 4. | Determination of deflection for rigid plastic pipes 硬质塑料管材弯曲度测量方法 |
| 5. | Specification for nonrigid vinyl chloride polymer tubing 非硬质聚氯乙烯管规范 |
| 6. | Hard fibreboard - sampling and measurement of test pieces 硬质纤维板试件取样及测量 |
| 7. | Environmentally preferable products : hard surface cleaners 环保产品:硬质表面清洁器 |
| 8. | Ebonite - determination of hardness by means of a durometer 硬质橡胶硬度的测定 |
| 9. | Metal skinned rigid polyurethane foam sandwich panels 金属面硬质聚氨酯夹芯板 |
| 10. | Rigid polyvinyl chloride film for packaging food 食品包装用硬质聚氯乙烯薄膜 |