DIFF Subgroup
C05G 1/04 of Thomas phosphate with potassium compounds
Introduced: September 1968
Full Title
Mixtures of fertilisers covered individually by different subclasses of class > of Thomas phosphate with potassium compounds
C05G 1/04 Introduced: September 1968
Mixtures of fertilisers covered individually by different subclasses of class > of Thomas phosphate with potassium compounds