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Tungsten Heavy Alloy ntsuas qhov hnyav
Fanmetal muab cov Tungsten Hnyav Alloy Ntsuas Qhov Ntsuas Raws li tus qauv ASTM B777, AMS- T 21014, ntom HD 17, HD 17BB, HD 17D, HD 17.5, HD17.7, HD 18, HD 18D5 , HDN 9 cm. 93WNiFe, 95WNiFe, 97WNiFe, Ntxiv rau Kev Nug












