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ASTM F1959

111

CáC YêU C?U C?A HOA K? ??I V?I V?I Và V?T LI?U CH?NG ?I?N TíCH

Tiêu chu?n này, ASTM f1959/f, thi?t l?p các m?c b?o v? c?n thi?t cho qu?n áo b?o h? mà th? ?i?n m?c, nh?ng ng??i có th? ph?i ??i m?t v?i các tia h? quang ??t ng?t và các nguy c? nhi?t liên quan.


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