![]() Semi - Finished Washers (for Hexagonal Bolts and Nuts: M1 -M20) 半光(輾光)製墊圈(用於六角螺釘及螺帽M1至M20) |
![]() Method of test for deep sea water - Determination of bacteria abundance (DAPI) 深層海水檢驗法-總細菌數之測定(DAPI染色法) |
![]() ISO Metric Fine Screw Threads (Diameters from 70 to 300 mm and Pitch 6 mm) 公制細螺紋9(ISO制)(標稱直徑70至300公釐,螺距6公釐) |
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