4. C - Chemistry, Metallurgy
  5. 05
  6. F

Willem Abraham Van Rooijen

C - Chemistry – Metallurgy – 05 – F

Inventor

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Inventor

Country: South Africa

A method of making a liquid fertilizing substance

C - Chemistry – Metallurgy – 05 – F
Patent

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Fertilizer

C - Chemistry – Metallurgy – 05 – F
Patent

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Granular organic fertilizer

C - Chemistry – Metallurgy – 05 – F
Patent

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Method of treating a plant disease

A - Human Necessities – 01 – N
Patent

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Granular organic fertilizer

C - Chemistry – Metallurgy – 05 – F
Patent

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Profile ID: LFCA-PAI-P-1400267

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