| 1. | Determination of paper board folding strength shawbel ' s
纸板耐折度的测定法 |
| 2. | Mit paper and board - determination of folding endurance mit tester
纸和纸板耐折度的测定 |
| 3. | Paper and board - determination of folding endurance mit tester
耐折度仪法 |
| 4. | Paper determination of folding endurance schopper method
纸耐折度的测定 |
| 5. | Paper and board - tester of folding endurance
纸与纸板耐折度仪 |
| 6. | Paper - determination of folding endurance
纸耐折度的测定法 |
| 7. | Test method for folding endurance of paper by the m . i . t . tester
用m . i . t .试验器测试纸耐折度的试验方法 |
| 8. | Method for determining the folding endurance of photographic film and film base
片基与胶片耐折度的测定方法 |
| 9. | Standard test method for folding endurance of paper by the m . i . t . tester
用m . i . t .试验器测试纸的耐折度的标准试验方法 |
