upper bound technique - visual display unit
- upper bound technique
- upright position
- upsetting biological balance
- upstream looping device
- upstream mill stand
- upward flow sand filter
- upward flow sludge blanket type tank
- upwash main
- usable water resources
- use classification
- use for new purpose
- use of patent
- useful art
- useful arts
- useful result
- USG
- USPHS
- USPQ
- usurp the patent right
- usurpation of a patent
- utility
- utility certificate
- utility model
- utility patent
- utility tunnels
- V-belt pulley
- V-notch weir
- vacuum belt filter
- vacuum filter
- vacuum filtration
- vacuum freezing
- vadose water
- valid patent
- validity search
- valve
- valve stand
- vapour compression distillation
- vapour-phase inhibitor
- vapourizable liquid
- vari-swirl burner
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