SEW Eurodrive Chile Limitada. (2003). Motorreductores r-s. SEW Eurodrive.
Tohutoru Kātū Chicago (17th ed.)SEW Eurodrive Chile Limitada. Motorreductores R-s. Santiago: SEW Eurodrive, 2003.
Tohutoro MLA (9th ed.)SEW Eurodrive Chile Limitada. Motorreductores R-s. SEW Eurodrive, 2003.
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