| 000 | nam a22 4500 | ||
|---|---|---|---|
| 245 | _aOperating and maintenance instruction for river regulator raddial gates of Mae Nam Prachantakham Project. | ||
| 260 |
_aBangkok _bNonthaburi Ekachai Engineering. _c[1992] |
||
| 710 | _aNonthaburi Ekachai Engineering | ||
| 942 | _c22 | ||
| 999 |
_c5169 _d5169 |
||