| 1. | Qualitative classification of softwood round timber - pines
圆软木的定性分类.松柏 |
| 2. | Qualitative classification of softwood round timber . pines
软木圆材的定性分类.松木 |
| 3. | Hardwood round timber - qualitative classification - poplar
硬木圆木料.质量分级.白杨木 |
| 4. | Wood . tool handles . qualitative classification
木材.工具柄.定性分类 |
| 5. | Qualitative classification of softwood round timber - spruces and firs
圆软木的定性分类.云杉和冷杉 |
| 6. | Hardwood round timber - qualitative classification - oak and beech
硬木圆木料.质量分级.水青岗木和橡木 |
| 7. | Qualitative classification of softwood round timber . spruces and firs
软木圆材的定性分类.云杉木和冷杉木 |
| 8. | Qualitative classification of softwood round timber - larches and douglas firs
圆软木的定性分类.落叶松和枞木 |
| 9. | Qualitative classification of softwood round timber . larches and douglas firs
软木圆材的定性分类.落叶松木和黄杉木 |
| 10. | Hardwood round timber - qualitative classification - ash and maples and sycamore
硬木圆木.质量等级.槐木,枫木和悬铃木 |
