C - Chemistry – Metallurgy – 09 – B
Patent
C - Chemistry, Metallurgy
09
B
260/381
C09B 69/06 (2006.01) C07D 209/14 (2006.01) C09B 23/00 (2006.01) C09B 23/16 (2006.01) D06P 1/90 (2006.01)
Patent
CA 989397
LandOfFree
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