... R410專用3520、銅管R410專用3620、銅管R410專用4620、有各種銅配件、喇叭頭、燒焊接頭、直管、被覆直管. 冷媒:. R22冷媒、R410冷媒、R32冷媒、R407冷媒、R134a冷媒、R407 ...
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