Patents/Inventors

Zongduan Guo

ShandongCN0 patents

1 Patent

US117877482023
Polyphosphoric Acid Calcium Magnesium Fertilizer, Polyphosphoric Acid Calcium Magnesium Fertilizer Prepared by Using Phosphoric Acid and Phosphorus Tailings as Raw Material and Preparation Method Therefor
YUNNAN ZHONGZHENG CHEMICAL INDUSTRY CO., Ltd.
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