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发明名称
Method and apparatus for pipe alignment tool
摘要
A method and apparatus for a pipe alignment tool have been described. A laser is inserted into the end of a pipe and projects a laser beam indicative of the longitudinal axis of the pipe.
申请公布号
US7467474(B1)
申请公布日期
2008.12.23
申请号
US20050230176
申请日期
2005.09.19
申请人
STATHAM JAY P
发明人
STATHAM JAY P.
分类号
G01B11/27;G01B5/25
主分类号
G01B11/27
代理机构
代理人
主权项
地址
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