銅產品 PVC被覆銅管 PVC被覆銅管 銅管規範符合JIS H3300 C1220T，外層包覆PVC材質 6mm x 0.8t x 100M10mm x 0.9t x 100M 6.35mm x 0.8t x 100M12mm x 0.9t x 100M 8mm x 0.8t x 100M12.7mm x 0.9t x 100M 9.52mm x 0.8t x 100M
