CAS ke eng? CAS e emetse Chemical Abstracts Service, polokelongtshedimosetso e matla e thehilweng ke American Chemical Society (ACS.) Nomoro ya CAS, kapa nomoro ya ngodiso ya CAS, ke sesupo sa dinomoro se ikgethang se sebedisetswang ho tshwaya dintho tsa dikhemikhale, metsoako, tatelano ya baeloji, polima, le tse ding. . Ka k'hemik'hale ...
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