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发明名称
Guide bar
摘要
A guide bar for use in providing a straight edge to make a metal cut, usually on steel with an oxyacetylene torch, which can be used both on flat stock and also across the open section or center web between the top and bottom plates of an I-beam.
申请公布号
US5155918(A)
申请公布日期
1992.10.20
申请号
US19910792469
申请日期
1991.11.12
申请人
HUMMER, JR., RICHARD R.
发明人
HUMMER, JR., RICHARD R.
分类号
B23Q9/00
主分类号
B23Q9/00
代理机构
代理人
主权项
地址
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