data extended block

extended block code

extended argument block

extended attribute block

extended critical block

extended memory map block

file extended control block

XAB eXtended Attribution Block

block and block [= chocka-block

Extended Range Doppler Algorithm Extended RDA

2 atrioventricular block and complete atrioventricular block

BDCB Block Device Control Block

Block 36 and Block 38 in Oman

block and block

block by block relaxation operator

block by block transfer

block gage (gage block) (slip gage)

Block Xia 502 and Block Xia 509

block-and-block