(1)Pancake Coil for Air-conditioning and Refrigeration Field Service ASTM B280
(2)Pancake Coil for General Engineering Applications ASTM B75
(3)Pancake Coil for Refrigeration, Oil Lines Gasoline Lines ASTM B68
(2)Pancake Coil for General Engineering Applications ASTM B75
(3)Pancake Coil for Refrigeration, Oil Lines Gasoline Lines ASTM B68
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copper tube