| 发明名称 |
Bronze welding electrode |
| 摘要 |
|
| 申请公布号 |
US2238392(A) |
申请公布日期 |
1941.04.15 |
| 申请号 |
US19390307492 |
申请日期 |
1939.12.04 |
| 申请人 |
AMPCO METAL, INC. |
发明人 |
MATUSH MILAN A. |
| 分类号 |
B23K35/04;B23K35/30 |
主分类号 |
B23K35/04 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
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