C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
8/52
C07D 231/06 (2006.01) D06L 3/12 (2006.01) D06M 13/35 (2006.01)
Patent
CA 901218
Frischkorn Hans
Rosch Gunter
Schinzel Erich
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