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Colony counter for 70- and 100-mm petri dishes with Wolffhugel grid, 110 VAC, 50/60 Hz from Cole-Parmer
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YUCHENGTECH Microbial Bacterial Colony Counter Bacterial Quantity Counting Machine Instrument Microbiology Tester 3/9 Times 110-220V (110V) - - Amazon.com
Colony counter CC-200 | Colony counters and hand-held colony counters | Accessories for tissue cultures | Microbiology, Molecular Biology, Cell Culture | Labware | Carl Roth - International
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