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Dyfyniad Arddull ChicagoZimmerman, O. T., and Irvin Lavine. Chemical Engineering Laboratory Equipment: Design, Construction, Operation. 2a. ed. Arlington: Industrial Research Service, 1955.
Dyfyniad MLAZimmerman, O. T., and Irvin Lavine. Chemical Engineering Laboratory Equipment: Design, Construction, Operation. 2a. ed. Industrial Research Service, 1955.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.