发明名称 Underground gallery saw
摘要 An improved underground gallery saw useful for the cutting of stone comprised of a supporting base, tracks for moving the supporting base along the stone to be cut, a saw unit raising and lowering system, a plate rotation and pivot system, a saw unit connected to the plate system and an electrical and hydraulic systems to support the operation of the other elements of the system.
申请公布号 US5193519(A) 申请公布日期 1993.03.16
申请号 US19920847329 申请日期 1992.03.06
申请人 ELLIOT, DAVID W. 发明人 ELLIOT, DAVID W.
分类号 B28D1/04 主分类号 B28D1/04
代理机构 代理人
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