SIS SS 63 63 27-1991
Telecommunications equipment — Private Branch Exchanges (PBXs) — Common technical requirements
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SIS SS 63 63 27-1991
Standard No.
SIS SS 63 63 27-1991
Release Date
1991
Published By
SE-SIS
Latest
SIS SS 63 63 27-1991
SIS SS 63 63 27-1991 history
1991
SIS SS 63 63 27-1991
Telecommunications equipment — Private Branch Exchanges (PBXs) — Common technical requirements
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