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发明名称
Adjustable gauge and stop for grader blades
摘要
申请公布号
US1857479(A)
申请公布日期
1932.05.10
申请号
US19300449905
申请日期
1930.05.05
申请人
ROYER JESSE R
发明人
ROYER JESSE R.
分类号
E02F3/815
主分类号
E02F3/815
代理机构
代理人
主权项
地址
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