| 发明名称 |
Road grader and the like |
| 摘要 |
|
| 申请公布号 |
US1874210(A) |
申请公布日期 |
1932.08.30 |
| 申请号 |
US19290396107 |
申请日期 |
1929.09.30 |
| 申请人 |
W. A. RIDDELL COMPANY |
发明人 |
SHAEFFER GEORGE D. |
| 分类号 |
E02F3/76 |
主分类号 |
E02F3/76 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
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