What does Btm stand for?
Btm stands for "British Tabulating Machine"
How to abbreviate "British Tabulating Machine"?
"British Tabulating Machine" can be abbreviated as Btm
What is the meaning of Btm abbreviation?
The meaning of Btm abbreviation is "British Tabulating Machine"
What does Btm mean?
Btm as abbreviation means "British Tabulating Machine"
