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  ____    | || | ||  | |/ //  |  ___||   ____    
 |    \\  | || | ||  | ' //   | ||__    |    \\  
 | [] ||  | \\_/ ||  | . \\   | ||__    | [] ||  
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 |_|`-`     `---`    `-` --`  `-----`   |_|`-`   
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發送短信 : KAJIAN TEORETIS RAG AM POLARITON MAGNETIK DALAM BAHAN LOGAM ANTIFEROMAGNET