管牙插心. 550, 目錄p212. 材質:鐵、白鐵、銅. 規格:M5x4m/m, M5x6m/m, 1/8"x3/16 ", ... 內牙插心. 4400, 目錄p212. 材質:鐵、白鐵、銅. 規格:1/8"x5/16",. 1/4"x5/16", ...
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