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ripping Ripping Frozen Ground with an Attachment for Dozers - Storming Media- [ Перевести эту страницу ]Ripping of hard and frozen ground is commonly done by using crawler tractors with rear-mounted rippers that are usually a permanent part of the machine.
Self-tripping rippers - Patent 4679635- [ Перевести эту страницу ]A ground ripping attachment for pivotal connection to the drawbar of a winch, and liftable by cable on a towing vehicle to clear the ground, or releasable ...
www.freepatentsonline.com/4679635.html - 35k - Сохранено в кэше - Похожие страницы
Ground surface treatment apparatus - US Patent 6675906- [ Перевести эту страницу ]A ground surface treatment apparatus including a frame adapted to be operatively received by a ground ripping attachment of a self propelled vehicle, ...
www.patentstorm.us/patents/6675906-claims.html - 19k -
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