| http://www.w3.org/ns/prov#value | - The method comprising the steps of firstly slurrying raw material containing phosphorus, including plants particularly such as soybean, corn, oil meal of the rice bran and the like; adding one or more selected among oxide, hydroxide...http://www.google.com/patents/US4906444?utm_source=gb-gplus-sharePatent US4906444 - Method of manufacturing calcium phosphate using phosphorus in plantsAdvanced Pate
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