ข้อมูลสัญลักษณ์จำแนกการออกแบบผลิตภัณฑ์ระหว่างประเทศ


รหัส / code คำอธิบาย / code name Version
C01B0025228000 one form of calcium sulfate being formed and then converted to another form 1
C01B0025229000 Hemihydrate-dihydrate process 1
C01B0025231000 Dihydrate-hemihydrate process 1
C01B0025232000 Preparation by reacting phosphate containing material with concentrated sulfuric acid and subsequently lixiviating the obtained mass, e.g. clincker process 1
C01B0025234000 Purification; Stabilisation; Concentration (purification concomitant with preparation C01B0025220000; preparation involving solvent-solvent extraction C01B0025460000) 1
C01B0025235000 Clarification; Stabilisation to prevent post-precipitation of dissolved impurities 1
C01B0025237000 Selective elimination of impurities 1
C01B0025238000 Cationic impurities 1
C01B0025240000 Condensed phosphoric acids 1
C01B0025260000 Phosphates (perphosphates C01B0015160000) 1
C01B0025280000 Ammonium phosphates 1
C01B0025300000 Alkali metal phosphates 1
C01B0025320000 Phosphates of magnesium, calcium, strontium, or barium 1
C01B0025340000 Magnesium phosphates 1
C01B0025360000 Aluminium phosphates 1