| 发明名称 |
MASKING FILMS |
| 摘要 |
11 MASKING FILMS Masking films for use with photographic colour-printing media in the preparation of colour proofs, in multi-colour printing, have a peelable masking film which has light-absorption properties which substantially match the spectral sensitivity of the photographic colour-printing media with which the masking film is to be used.
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| 申请公布号 |
CA2003290(A1) |
申请公布日期 |
1990.05.18 |
| 申请号 |
CA19892003290 |
申请日期 |
1989.11.17 |
| 申请人 |
AUTOTYPE INTERNATIONAL LIMITED |
发明人 |
NAISBY, ANDREW;SPERRY, JOHN A.;STEEL, JOHN |
| 分类号 |
G03F3/06;G03F1/00;G03F3/10;(IPC1-7):G03C7/04 |
主分类号 |
G03F3/06 |
| 代理机构 |
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代理人 |
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| 地址 |
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