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Structures Of Non-Positive Displacement Pumps
(AREA)
Abstract
Abanico perfeccionado, caracterizado por que su varillaje, tanto las varillas centrales e intermedias como las maestras, tienen su cara frontal recubierta por una capa de laca cuya superficie pulida y brillante facilita el suave deslizamiento de las varillas en los movimientos de apertura y cierre.