力测量仪器

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PDC DRAG BIT
 PDC DRAG BIT 卖方: WUHAN SML TOOLS LIMITED The PDC drilling drag bitis a composite of four main components: the bit body, the drag blade, th...
biochemical optical narrow bandpass filter
 biochemical optical narrow bandpass filter 卖方: Beijing BoDian Optical Technology Co., Ltd 1.Substrate:BK7 Glass， 2.Process:IAD Hard Coating， 3.Transmittance: better than 85%, 4.Blocking r...