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_a628.393(035) _bSPE.1 |
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| 100 |
_aSpellmann, Frank R _919755 |
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| 245 | _aSpellman's standard handbook for wastewater operators | ||
| 300 | _a3v. | ||
| 653 | _aSewage disposal - employees certification - handbooks | ||
| 942 | _cBK | ||
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_aBoca ration _bCRC press _c2011 _918254 |
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| 500 | _av.1. Fundamental level.-v.2. Intermediate level.-v.3. Advanced level | ||
| 250 | _a2nd ed. | ||
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| 952 |
_w2012-03-26 _p00065948 _r2012-03-26 _40 _00 _bUL _10 _o628.393(035) SPE.3 _d2012-03-26 _70 _cGEN _2udc _yBK _aUL |
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| 999 |
_c72105 _d72104 |
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