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040 _aITTG
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082 _a621.55 R93
100 _aRYANS, JAMES L.
245 _aPROCESS VACUUM SYSTEM :
_bDESIGN AND OPERATION/
_cJ.L. RYANS, D.L. ROPER.
260 _aNEW YORK ; MEXICO:
_bMCGRAW-HILL
_c[198
300 _aXII, 356 P.
_c23 CM.
500 _aINCLUYE BIBLIOGRAFIAS E INDICE.
562 _e3
650 _a1.VACIO - TECNOLOGIA.
700 _aROPER, DANIEL L.
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999 _c6344
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