000			00509nam a2200181Ia 4500
008			130910s9999 xx 000 0 und d
041			_aeng
082			_221st ed. _a681.754 _bRIE/C, 2
100			_aRiegel, Emil Roymond
245			_aChemical process machinery _c[by] Emil Raymond Riegel
250			_a2nd ed.
260			_aNew York : _bReinhold Publishing , _c1953
300			_avii, 721p. : ill.
504			_aIndex: pp 723-35
653			_aChemical instruments
653			_aChemical process
942			_cEN _2ddc
999			_c6998 _d6998