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发明名称
Sloping attachment for graders
摘要
申请公布号
US2659988(A)
申请公布日期
1953.11.24
申请号
US19500190768
申请日期
1950.10.18
申请人
BRADEN
发明人
BRADEN FRANK I.;GODFREY HAROLD R.
分类号
E02F3/76
主分类号
E02F3/76
代理机构
代理人
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