Double-channel equant pipette
The utility model discloses a double-channel equant pipette which comprises a shell, the bottom of the shell is sleeved with a suction pipe, a limiting rod is sleeved with the suction pipe, limiting blocks are bolted to the two sides of the inner wall of the suction pipe, the surface of the limiting...
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Format: | Patent |
Sprache: | chi ; eng |
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