发明申请
US20030226495A1 Adjustable marker 失效
可调标记

  • 专利标题: Adjustable marker
  • 专利标题(中): 可调标记
  • 申请号: US10164886
    申请日: 2002-06-10
  • 公开(公告)号: US20030226495A1
    公开(公告)日: 2003-12-11
  • 发明人: Denis Courtemanche
  • 主分类号: E01F009/00
  • IPC分类号: E01F009/00
Adjustable marker
摘要:
An adjustable marker for delimiting boundaries comprised of a spacing rod, an anchoring peg and a pivotal connection pivotably engaging between the said spacing rod and the said anchoring peg.
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