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Method for varnishing security documents, especially intaglio-printed security document such as banknotes, and varnishing machine for carrying out the same
Method for varnishing security documents, especially intaglio-printed security document such as banknotes, and varnishing machine for carrying out the same
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机译:用于对证券文件,特别是凹版印刷的证券文件例如钞票进行清漆的方法以及用于执行该方法的清漆机
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摘要
There is described a method for varnishing security documents, especially intaglio-printed security documents such as banknotes, wherein both sides of the security documents are covered by a protective varnish. The method comprises the step of applying a thicker layer of protective varnish on a side of the security documents which exhibits a greater surface roughness, especially the side which is opposite to the side of the security documents which was last printed by intaglio printing. Also described in a varnishing machine for carrying out the above method.
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