000 | nam a22 4500 | ||
---|---|---|---|
082 |
_aRID.631.7 _bR6p _d1977 |
||
100 | _aRoyal Irrigation Department | ||
245 |
_aPhitsanulok Irrigation Project : Report on Bid No. P.I.-1-2 _bCanals and structures - part 1 _cReport no.21 |
||
260 |
_aBangkok _bELC-NK-SEATEC _c1977 |
||
942 | _c12 | ||
999 |
_c2788 _d2788 |