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pKB abbr.
abbr.	base dissociation constant (Игорь_2006)
PKB abbr.
abbr.	parking brake (*Gala*); Pot Kettle Black
abbr., avia.	Parkersburg, West Virginia USA
abbr., el.	photoelectric keyboard
abbr., IT	Portable KeyBoard
abbr., med.	Protein Kinase B
abbr., mil.	purple kill box
abbr., space	Pluto-Kuiper Belt mission
abbr., sport.	Peruvian KnuckleBuster; Point KickBoxing; Powder Keg Blue
abbr., tradem.	Perdana Karindo Bag
mil.	portable keyboard
pkb abbr.
abbr.	photoelectrical keyboard