| 发明名称 |
Gas sink with spiral-shaped gas duct |
| 摘要 |
The gas channel (4) viewed in a cross section of the body (2) of the unit has the form of an open curved line such as a spiral. |
| 申请公布号 |
ZA9810262(B) |
申请公布日期 |
1999.05.17 |
| 申请号 |
ZA19980010262 |
申请日期 |
1998.11.10 |
| 申请人 |
VENN WILHELM GERHARD |
发明人 |
WILHELM GERHARD VENN |
| 分类号 |
B22D1/00;C22B9/05;F27D3/16 |
主分类号 |
B22D1/00 |
| 代理机构 |
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代理人 |
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| 主权项 |
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| 地址 |
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