JOP20190184A1
JOP20190184A1 JOP/2019/0184A JOP20190184A JOP20190184A1 JO P20190184 A1 JOP20190184 A1 JO P20190184A1 JO P20190184 A JOP20190184 A JO P20190184A JO P20190184 A1 JOP20190184 A1 JO P20190184A1 Authority JO Jordan Prior art keywords phosphorus headspace furnace produce phosphoritic Prior art date 2017 02 09 Application