Architectural Abbreviations and Acronyms
- RAPIRoyal Australian Planning Institute
- RAPIRoyal Australian Planning Institutetute
- RBResilient Base
- RBResistance Brazing
- RBRubber Base
- RBRubber
- RBCRubber Base
- RBCRubberized Bituminous Compound
- RBRRubber
- RBSRubber Base
- RBSRubber Base Straight
- RBTRabbet
- RCReinforced Concrete
- RCResistance
- RCDResidual Current Device
- RCFRaised Computer Floor
- RCFRelative Centrifugal Force
- RCPReflected Ceiling Plan
- RCPReinforced Concrete Pipe
- RCPTReceptacle
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