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AT&T21 files
AutomaticElectric2 files
BellCore1 files
BellSystem7 files
CoastCom4 files
Comdial1 files
Comfab1 files
Dynatel1 files
GeneralSignal1 files
Hitachi1 files
IIASA2 files
IllinoisBell6 files
KrownResearch1 files
Motorola1 files
NewJerseyBell1 files
Northcom1 files
NorthernTelecom5 files
OKI2 files
Phillips1 files
Reliance1 files
Rockwell2 files
SouthernBell1 files
StrombergCarlson1 files
Teleconnect1 files
Teltrend1 files
Toshiba2 files
WesternElectric2 files
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