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_a628.11:621.95(02) _bNAT |
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| 110 |
_aNational water well Association _93834 |
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| 245 | _aWell drilling manual | ||
| 300 | _a72p. | ||
| 942 | _cBK | ||
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_aIndia _bNational water well Association _c1985 _93835 |
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_w2009-09-07 _p00032339 _r2009-09-07 _40 _00 _bUL _10 _o628.11:621.95(02) NAT _d2009-09-07 _70 _2udc _yBK _aUL |
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