> Its name comes from the fact that it has two key blades … Until recently, this sentence used to be “Its particularity comes from the fact …”: https://en.wik

> Its name comes from the fact that it has two key blades … Until recently, this sentence used to be “Its particularity comes from the fact …”: https://en.wikipedia.org/w/index.php?title=Berlin_key&diff=917655244&oldid=911100962 https://en.wikipedia.org/w/index.php?title=Berlin_key&diff=9...