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Heliflu Trademarks
HELIFLU
turbine flowmeters, industrial liquid meters with electronic propellers and electronic controllers therefore
Cancelled
·
January 20, 1995
·
74623620
·
HELIFLUMASTER
metering skid and proving system comprising turbine flowmeters
Abandoned
·
April 25, 1997
·
75281295
·
HELIFLUX
MAGNETIC FIELD MEASURING AND DETECTING EQUIPMENT
Registered
·
April 12, 1957
·
72028066
·
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