发明名称 PICK ASSEMBLY WITH A CONTIGUOUS SPINAL REGION
摘要 In one aspect of the present invention, a pick assembly is configured to reduce aggregate drag that is formed during a degradation process. The pick assembly is configured to redirect the flow of the aggregate to conserve energy and maintain efficiency during the degradation process.
申请公布号 ZA201400842(B) 申请公布日期 2015.05.27
申请号 ZA20140000842 申请日期 2014.02.04
申请人 HALL, DAVID R 发明人 HALL, DAVID R;CROCKETT, RONALD B
分类号 E21C 主分类号 E21C
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