| 发明名称 |
MASK AND METHOD FOR THE PRODUCTION OF AT LEAST ONE GROOVE RIB OR DIFFERENT INTENSITY STRIP IN OR ON A SURFACE |
| 摘要 |
At least one groove, rib or strip can be formed in or on a surface by means of a mask (1) made of sheet material and provided with at least one substantially non parallel sided aperture (2) therethrough, or a plurality of such apertures (2, 3) in one or more rows. |
| 申请公布号 |
GB8923754(D0) |
申请公布日期 |
1989.12.06 |
| 申请号 |
GB19890023754 |
申请日期 |
1989.10.21 |
| 申请人 |
BRITISH AEROSPACE PUBLIC LIMITED COMPANY |
发明人 |
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| 分类号 |
B23K26/06;B64C21/10;G03F1/20 |
主分类号 |
B23K26/06 |
| 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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