SIS SEN 55 12 15-1966
Record system for internal telephone and signalling plants Teminal block card type 1
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SIS SEN 55 12 15-1966
Standard No.
SIS SEN 55 12 15-1966
Release Date
1966
Published By
SE-SIS
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SIS SEN 55 12 15-1966
SIS SEN 55 12 15-1966 history
1966
SIS SEN 55 12 15-1966
Record system for internal telephone and signalling plants Teminal block card type 1
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