R449B组成成分
摩尔百分比:R32占41.8353%,R125占17.4861%,R1234yf占17.57%,R134a占23.1085%
质量百分比:R32占25.2%,R125占24.3%,R134a占27.3%,R1234yf占23.2%
包装规格:5kg、10kg、吨装 。
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