C - Chemistry – Metallurgy – 09 – B
Inventor
C - Chemistry, Metallurgy
09
B
Inventor
Lactones of the benzaxanthene series and dye-forming...
Lactones of the diazaxanthene series and dye precursors for...
Lactones of the diazaxanthene series, their production and...
Triarylmethane dyes
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