发明名称 Changeable surveyors rod
摘要 A surveyor's rod includes the use of a removable measurement scale having different measurement breakdowns on its opposite sides, such as feet and quarter inches on one side and feet and tenths of inches on the other. A removable bracket permits a quick and efficient reversal of the scale depending upon the measurement delineation desired by a user.
申请公布号 US4378638(A) 申请公布日期 1983.04.05
申请号 US19810254159 申请日期 1981.04.14
申请人 HARDER, ERNEST H. 发明人 HARDER, ERNEST H.
分类号 G01C15/06;(IPC1-7):G01C15/06 主分类号 G01C15/06
代理机构 代理人
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