H62 brass tube pipe,outer diameter 8mm, inner diameter 7.6 7.5 7.4mm 7mm 6mm 5mm 4, copper pipe,Capillary Hollow brass tube

H62 brass tube pipe,outer diameter 8mm, inner diameter 7.6 7.5 7.4mm 7mm 6mm 5mm 4, copper pipe,Capillary Hollow brass tube

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