none 

Statements about this table:
for serial number 579 the example be show under the column of withdrawn
dh2 go into service in april 1962
in feb 1994 the serial number be 574
the dh1 be scrap in 2004
the intro service for dh1 be 4 / 1962
example be the withdrawn for into service 4 / 1962 and serial number 579
example be the into service for dh2
579 be the most serial number for feb 1994
dh3 be the number for 2004 scapped
4 / 1959 be the into service for dh1
number
serial number
into service
dh1
573
4 / 1962
dh2
574
4 / 1962
dh3
575
example
dh4
579
example
dh5
580
example
number
withdrawn
scrapped
dh1
example
2004
dh2
example
feb 1994
dh3
example
oct 1997
dh4
example
sep 1997
dh5
example
sep 1997