MGHP
MICA 75(未精制高强度钢)
硬铬镀层 厚度16~30t:1010μm 镀层厚度31.5?T:2020μm
F8
16,18,20,22,22.4,25,28,30,32,35,35.5,3640,45,50,55,56,60,63,65,70,75,80,90,100
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