What does PTBR stand for?
PTBR stands for "Punched Tape Block Reader"
How to abbreviate "Punched Tape Block Reader"?
"Punched Tape Block Reader" can be abbreviated as PTBR
What is the meaning of PTBR abbreviation?
The meaning of PTBR abbreviation is "Punched Tape Block Reader"
What does PTBR mean?
PTBR as abbreviation means "Punched Tape Block Reader"
