变径螺纹接头 MI-GSR DIN Norm DIN 連接 1 请选择 DN 20-15 DN 25-15 DN 32-20 DN 32-25 DN 40-25 DN 40-32 DN 50-25 DN 50-32 DN 50-40 DN 65-32 DN 65-40 DN 65-50 DN 80-40 DN 80-50 DN 80-65 DN 100-50 DN 100-65 DN 100-80 材质 1.4404 | AISI 316L 您的价格 -,-- € / 价格单位