金剛石砂紙規(guī)格:
直徑mm:220/230/250
粒度um:45/30/15/12/9/6/3/2/1/0.5/0.3
目數(shù):400/600/1200/1500/2000/3000/4000/6000/8000/10000/15000
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86-21-51693591
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