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Dyfyniad Arddull ChicagoSCHEY, John A. Introduction to Manufacturing Processes. Tokyo: McGraw-Hill Kogakusha, 1977.
Dyfyniad MLASCHEY, John A. Introduction to Manufacturing Processes. McGraw-Hill Kogakusha, 1977.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.