发明授权
US4116698A Ferrocyanate treating liquid for offset master 失效
用于偏移主轴的氟化氰处理液

Ferrocyanate treating liquid for offset master
摘要:
The present invention provides a treating liquid for use in treating offset masters which treating liquid consists essentially of ferrocyanate, water-soluble phosphate and a specific polymer or copolymer. By the use of this treating liquid, the durability of offset masters in printing can be remarkably enhanced.
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