| 发明名称 |
Method for making aluminum alloy lithographic plates or Al/Ca lithographic alloy |
| 摘要 |
A method of making a lithographic plate by etching in an alkaline bath a sheet of an alloy of aluminium and 0.1% to 4.5% calcium. The alloy preferably contains up to 2.0% magnesium.
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| 申请公布号 |
US4360401(A) |
申请公布日期 |
1982.11.23 |
| 申请号 |
US19800170294 |
申请日期 |
1980.07.18 |
| 申请人 |
THE BRITISH ALUMINUM COMPANY LIMITED |
发明人 |
GRAY, ALAN |
| 分类号 |
B41N1/08;B41N3/00;C22C21/00;(IPC1-7):C23F1/00;B41M5/00 |
主分类号 |
B41N1/08 |
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代理人 |
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