U+1FB67;Upper Right Block Diagonal Upper Middle Left to Lower Middle Right [pdf](unicode.org)
unicode.org
U+1FB67;Upper Right Block Diagonal Upper Middle Left to Lower Middle Right [pdf]
https://www.unicode.org/L2/L2019/19025-terminals-prop.pdf
1 comments
Title of the PDF seems to be "Proposal to add characters from legacy computers and teletext to the UCS" (Unicode Character Set)