Background acoustic signal suppression in photoacoustic...
Barometer gas pressure measuring apparatus
Battery powered gas level indicator
Battery voltage regulating and condition indicating circuit for
Bi-metallic indicator
Bimetal operated indicator
Bimetallic temperature measuring device
Biological classification system
Blocked isocyanate composition for forming T hermoparticulating
Bounceless high pressure drop cascade impactor and a method for
Bourdon pressure gauge having direct-coupled electronic and visu
Bourdon tube transducer
Braided tape including carrier means
Breath alcohol measuring device
Breath alcohol testing device
Breath alcohol-measuring device with piezo drive
Breath alcohol-measuring device, process and system
Breath by breath nutritional requirements analyzing system
Breath measurement instrument and breath alcohol interlock...
Breath sampling device