"chromometer " CNS Standards List| Overview digital | Covered electrodes | Running Test | Boiler Gas | Sprue Bushings | Information technology | Iron steel | Rating direct | |
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CNS 1220
2020 Edition Method of test for saybolt color of petroleum products (Saybolt chromometer method) 石油產品賽氏顏色試驗法(賽氏比色計法) |
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