| 000 | nam a22 4500 | ||
|---|---|---|---|
| 082 |
_aRID.631.7 _bR6b _d1990 |
||
| 245 | _aThe Bang Nara Irrigation and drainage project opertion and maintenance manual : vol.III mechanical device | ||
| 260 |
_aBangkok _bRoyal Irrigation Department _c1990 |
||
| 710 | _aRoyal Irrigation Department | ||
| 942 | _c12 | ||
| 999 |
_c2491 _d2491 |
||