发明名称 |
Copies from line original |
摘要 |
Material is coated with light-sensitive layer of vegetable colloid, dried, contacted with original, developed with an aqs. salt soln. with a density more than 1 and which acts only on unexposed zones; metal layer is applied to light-sensitive layer in vacuum and tanned light-sensitive layer is removed with water. Preferred colloid is gum arabic. |
申请公布号 |
DE1902801(A1) |
申请公布日期 |
1970.10.29 |
申请号 |
DE19691902801 |
申请日期 |
1969.01.21 |
申请人 |
VOJENNO-INZENERNAJA ORDENA LENINA KRASNOZNAMENNAJA AKADEMIJA IM.V.V.KUJBYSEVA |
发明人 |
N. FILIN,VLADIMIR;I. ANDRIANOV,KONSTANTIN |
分类号 |
G03F1/00 |
主分类号 |
G03F1/00 |
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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