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Azo dyestuffs

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260/171, 8/26

Patent

CA 840428

Gold Heinrich

C - Chemistry – Metallurgy – 07 – D
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Knobloch Walter

B - Operations – Transporting – 01 – D
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Wolfrum Gerhard

C - Chemistry – Metallurgy – 01 – B
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Farbenfabriken Bayer Aktiengesellschaft

C - Chemistry – Metallurgy – 07 – D
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