
Phthalic anhydride for industrial use - Methods of test - Determination of impurities oxidizable in the cold by potassium permanganate - Iodometric method
出版:Korean Standards Association

專家解讀視頻
Phthalic anhydride for industrial use - Methods of test - Determination of impurities oxidizable in the cold by potassium permanganate - Iodometric method
出版:Korean Standards Association
專家解讀視頻