Ulwazi Lobuchwepheshe

Iwuhlobo lwe-AMPS polymer based retarder.Ingandisa isikhathi sokujiya sikasimende ngokujwayelekile.Ingaletha ijika elihle lokujiya eline-engeli elungile futhi ingabi nathonya ekuthuthukisweni kwamandla.

 

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ubuchwepheshe


Isikhathi sokuthumela: Aug-06-2019
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