n.telephone central where circuits are completed with patchcords
同义词：switchboardplugboard
Patch board
Patch board
Patch board
PATCHBOARD PROGRAMMING SYSTEM
Teaching digital-systems design with a microprocessor-controlled patchboard
REDUCING WIRING ERRORS BY PATCHBOARD DESIGN.
A patchboard-based expert-systems model for manufacturing applications
Testing Patchboard Connections Automatically
Decommutator patchboard verifier
An integrated circuit patchboard
Patch board arrangement with multi-point terminal block e.g. for connection of data lines in switch cabinet
Study on hazard identification method for life cycle of patch board
A simple multichannel preamplifier system with patch board.
