| 发明名称 |
Valve for an electron bombardment welding machine and machine fitted with such valve |
| 摘要 |
A valve which preserves the vacuum between a gun and a welding enclosure in an electron-bombardment.
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| 申请公布号 |
US4068112(A) |
申请公布日期 |
1978.01.10 |
| 申请号 |
US19760712895 |
申请日期 |
1976.08.09 |
| 申请人 |
COMMISSARIAT A L'ENERGIE ATOMIQUE |
发明人 |
MARHIC, GERARD |
| 分类号 |
H01J37/315;B23K15/06;H01J37/18;(IPC1-7):B23K15/00 |
主分类号 |
H01J37/315 |
| 代理机构 |
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代理人 |
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| 地址 |
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