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US4872518A. Power chainsaw-ice auger conversion apparatus. Google Patents Publication number US4872518A US4872518A US07/230,523 US23052388A US4872518A US 4872518 A US4872518 A US 4872518A US 23052388 A US23052388 A US 23052388A US 4872518 A US4872518 A US 4872518A Authority US United States Prior art keywords auger housing chain saw sprocket drive means Prior art date 1988-08-10 Legal status (The legal status is […]
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