| 发明名称 |
Roll polisher |
| 摘要 |
|
| 申请公布号 |
US1954502(A) |
申请公布日期 |
1934.04.10 |
| 申请号 |
US19330698145 |
申请日期 |
1933.11.15 |
| 申请人 |
STEWART WILLIAM F |
发明人 |
STEWART WILLIAM F. |
| 分类号 |
B21B28/04;B24B5/36 |
主分类号 |
B21B28/04 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
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