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024 _a67271
037 _cTextual
040 _aCSL
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041 _aeng
082 _aD3:2, H0
100 _aRichards Robert H.
245 0 _aTextbook of ore dressing
250 _a3
260 _c1940
300 _ap.
_ccm.
650 _aBuilding engineering
700 _a Locke Charles E.
942 _hD3:2, H0
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999 _c32321
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