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DURAN three necked flask/two necked flask/pear shaped flask
DURAN round bottom flask/flat bottom flask
Quick water quality detection kit/test paper
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
Handheld meteorological meter
Successful operation!
