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SAC - GB/T 2094-80

Toll and local crossbar telephone switching system--Signal marks or colours of lamp and alarm ringer

inactive, Most Current
Organization: SAC
Publication Date: 9 December 1980
Status: inactive

Document History

GB/T 2094-80
December 9, 1980
Toll and local crossbar telephone switching system--Signal marks or colours of lamp and alarm ringer
A description is not available for this item.
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