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HAVY METAL COMPLEX OF AZO COMPOUNDS AND PROCESS FOR PRODUCING SAME AND METHOD FOR DYEING OR TEXTILE PRINTING POLYAMIDE TEXTILE MATERIALS USED SAID COMPLEX* OR AZO DYES
HAVY METAL COMPLEX OF AZO COMPOUNDS AND PROCESS FOR PRODUCING SAME AND METHOD FOR DYEING OR TEXTILE PRINTING POLYAMIDE TEXTILE MATERIALS USED SAID COMPLEX* OR AZO DYES