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Publication of GB1226631ApublicationCriticalpatent/GB1226631A/en
E02F3/76—Graders, bulldozers, or the like with scraper plates or ploughshare-like elements; Levelling scarifying devices
E02F3/7636—Graders with the scraper blade mounted under the tractor chassis
E02F3/7654—Graders with the scraper blade mounted under the tractor chassis with the scraper blade being horizontally movable into a position near the chassis