GB/T 4728.9-1985Graphical symbols for electrical diagrams--Telecommunications: switching and peripheral equipment (English PDF)
GB/T 4728.9 | Evolution and historical versions
| Std ID | Title | Status |
|---|---|---|
| GB/T 4728.9-2022 | Graphical symbols for electrical diagrams - Part 9: Telecommunications: Switching and peripheral equipment | Valid |
| GB/T 4728.9-2008 | Graphical symbols for diagrams - Part 9: Telecommunications: Switching and peripheral equipment | Obsolete |
| GB/T 4728.9-1999 | Graphical symbols for diagrams. Part 9: Telecommunications: Switching and peripherel equipment | Obsolete |
| GB/T 4728.9-1985 | Graphical symbols for electrical diagrams--Telecommunications: switching and peripheral equipment | Obsolete |
GB/T 4728.9-1985 is obsolete. It has been replaced by GB/T 4728.9-1999. This page sells the obsolete edition, for projects and contracts that still cite it.
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Level / Type
National · Recommended
Scope
GB/T 4728.9-1985 (Graphical symbols for electrical diagrams--Telecommunications: switching and peripheral equipment) is available as an English-translated PDF.
GB/T 4728.9-1985 is the Chinese national standard "Graphical symbols for electrical diagrams--Telecommunications: switching and peripheral equipment". It is obsolete: it has been replaced by GB/T 4728.9-1999.
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Document preview — GB/T 4728.9-1985
Contents
- Document data
1 Document data
Sector: National standard (Recommended).
Status: obsolete, replaced by GB/T 4728.9-1999.
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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — all pages — is available in the English PDF.
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Related Standards
GB/T 4728.10-2022 — Graphical symbols for electrical diagrams - Part 10: Telecommunications: Transmission
GB/T 4728.8-1984 — Graphical symbols for electrical diagrams--Measuring instruments, lamps and signalling devices
GB/T 4728.10-2008 — Graphical symbols for diagrams - Part 10: Telecommunications: Transmission
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GB/T 4728.9-1985
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