| 发明名称 |
Negative contact folder - is e.g. of cellophane allowing printing without removal of negative from it |
| 摘要 |
<p>The negative contact folder is of cellophane sheet or other clear transparent material, so that the negative contained in it can be used for making prints without removal from it.</p> |
| 申请公布号 |
NL7810014(A) |
申请公布日期 |
1980.04.09 |
| 申请号 |
NL19780010014 |
申请日期 |
1978.10.04 |
| 申请人 |
ERIK MAARTEN TERLOUW, BLOEMGRACHT 109 TE 1016 KJ AMSTERDAM. |
发明人 |
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| 分类号 |
B42F7/02;G03B27/02;(IPC1-7):42F5/04;65D27/04;09F5/04;42D1/08 |
主分类号 |
B42F7/02 |
| 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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