免费播放欧美毛片欧美a-免费不卡毛片-免费不卡视频-免费操人视频-一区二区三-一区二区三区

The Reference 2 is the successor to the popular Reference pipette, and enhances the pipettes already high standards with a new look, reduced weight and operating forces and multi-channel versions. As the premium product in Eppendorf’s pipette portfolio, the Reference 2 provides the most accurate results possible alongside robust, reliable handling and optimum user safety. These levels of security make the Reference 2 ideal for use with precious liquids, or in any application requiring extremely high levels of accuracy. When there can be no compromise on quality and reproducibility, Eppendorf’s new Reference 2 is an ideal instrument.