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DURAN round bottom flask/flat bottom flask
Speedtech Instruments from the United States
NK Weather Meter/Electronic Weather Station/Five Parameter Weather Meter/KESTREL, USA
Aquaculture detection instrument
OHAUS Ohhaus Instrument from the United States
Jenco Instruments from the United States
Instrument and meter
SCHOTT DURAN flat bottomed flask from Germany (wide mouthed, bottle mouth reinforced)
SCHOTT DURAN round bottom flask from Germany (wide mouth, bottle mouth reinforced)
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