BLB-FF-Flat plug-in board-PN
BLB-FF-Flat plug-in board-Class
BLB-MFM-Concave convex plug-in board-PN
BLB-MFM-Concave convex plug-in board-Class
BLB-TG-Mortise and tenon surface insert plate-PN
BLB-TG-Mortise and tenon surface insert plate-Class
BLB-RJ-I-PN-Ring connection surface plug board
BLB-RJ-I-Class-Ring connection surface plug board
BLB-RJ-II-PN-Ring connection surface plug board
BLB-RJ-II-Class-Ring connection surface plug board