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simple electricians' shorthand
DNA structure model is used as a visual representation of the different components of a DNA structure
Connection: Equipped with RS-232 interface that connects printers
providing accurate motion tracking
High freezing efficiency Ice raft can be set according to different temperature storage time demands
Bell in Vacuum simple electricians' shorthandBell (Vacuum) Jar with stand base and with Electric Bell This apparatus usually used in combination with a pump to demonstrate that non transmission of sound in a vacuum. The apparatus content the metal base, the bell jar, and the bell. Bell jar dimensions: 250mm height, 180mm diameter
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