process for the preparation of concentrated solutions of low sodium sulfonzuurgroepenvrije cobalt and chromium complex dyes 1: 2.

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  机译： 盐含量低的浓缩溶液的制备方法。不含磺酸基的偶氮染料1 2的钴配合物和铬1 2的偶氮染料的配合物

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  机译： 制备不含磺酸基团的钴和铬-1：2络合染料的浓低盐溶液的方法

• 5. Method of preparation of solutions, concentrated and low content of salts, of a complex dyes 1: 2 with chromium and cobalt free of sulphonic acid groups [P] . 法国专利： FR2360636A1 . 1978-03-03

  机译： 铬和钴不含磺酸基团的复杂染料1：2的溶液的制备方法，浓缩和低盐含量

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