Duplimates® are used all over the world for pre-dealing bridge hands for lessons, clubs, and tournament play. Use of the Duplimate is now mandatory at international championships.
The first Duplimate, built in 1969, is still going strong!
New generations of Duplimates have been issued every couple year, recent innovations include USB compatibility and Significant improvements in throughput.
Depending on model (and operator) the expected output is 7-10 sets of boards per hour.