| 发明名称 |
Helix winding machine |
| 摘要 |
|
| 申请公布号 |
US3007510(A) |
申请公布日期 |
1961.11.07 |
| 申请号 |
US19590837426 |
申请日期 |
1959.09.01 |
| 申请人 |
SPERRY RAND CORPORATION |
发明人 |
PRADO JOHN R. DE |
| 分类号 |
B21F3/02;B21F3/04 |
主分类号 |
B21F3/02 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
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