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Durrum Trademarks
DURRUM
ION EXCHANGE RESIN AND ANALYTICAL REAGENTS
Cancelled
·
May 4, 1976
·
73085934
·
DURRUM
AMINO ACID ANALYZER
Expired
·
May 3, 1976
·
73085830
·
DURRUM
SPECTROPOLARIMETERS, STOPPED-FLOW TEMPERATURE JUMP SPECTROPHOTOMETERS, SPECTROPHOTOMETERS, SPECTRO - IRRADIATORS, VARIABLE VOLUME DISPLACEMENT TUBING PUMPS FOR LABORATORY USE
Expired
·
August 1, 1969
·
72334214
·
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