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1985

In 1985, units B 20-34 394 - 399 are converted to BDt 82-33 950 - 955.  

Sources: https://swissrail.groups.io/g/main/message/27540

1998

In 1998, 16x units (B 20-34 456, 446, 458, 347, 450, 447, 309, 345, 442, 448, 333, 197, 453, 449, 444 & 455) are converted to BDt 82-33 981 - 996 coaches.  

Concerns registration number(s): 50 85 20-34 197-7, 50 85 20-34 309-8, 50 85 20-34 333-8, 50 85 20-34 345-2, 50 85 20-34 347-8, 50 85 20-34 442-7, 50 85 20-34 444-3, 50 85 20-34 446-8, 50 85 20-34 447-6, 50 85 20-34 448-4, 50 85 20-34 449-2, 50 85 20-34 450-0, 50 85 20-34 453-4, 50 85 20-34 455-9, 50 85 20-34 456-7, 50 85 20-34 458-3

Sources: https://swissrail.groups.io/g/main/message/27540

1999

In 1999, units B 20-34 459 & 452 are converted to BDt 82-34 904 & 905.  

Concerns registration number(s): 50 85 20-34 452-6, 50 85 20-34 459-1

Sources: https://groups.io/g/BahnCH/topic/sbb_umbau_b_dt_bdt/16472824?p=,,,20,0,0,0::recentpostdate%2Fsticky,,,20,2,40,16472824

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Latest update on the 3rd of January 2021 at 21:12

Contributor(s): Tudor C.

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