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A method for color reserve of aniline black with schwefelsaeureestersalzen of leuco or with eisfarbenzubereitungen, which in the saeuredampf to be developed, on cellulose fibers
A method for color reserve of aniline black with schwefelsaeureestersalzen of leuco or with eisfarbenzubereitungen, which in the saeuredampf to be developed, on cellulose fibers