GB/T 4721-1992General rules for copper-clad laminated sheets for printed circuits (English PDF)
印制电路用覆铜箔层压板通用规则
GB/T 4721 | Evolution and historical versions
| Std ID | Title | Status |
|---|---|---|
| GB/T 4721-2021 | General rules for rigid copper clad laminates for printed circuits | Valid |
| GB/T 4721-1992 | General rules for copper-clad laminated sheets for printed circuits | Obsolete |
GB/T 4721-1992 is obsolete. It has been replaced by GB/T 4721-2021. This page sells the obsolete edition, for projects and contracts that still cite it.
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Issued by
State Bureau of Technical Supervision
Level / Type
National · Recommended
Issue date
July 8, 1992
Implementation date
April 1, 1993
Scope
GB/T 4721-1992 is the English-translated version of 印制电路用覆铜箔层压板通用规则.
GB/T 4721-1992 is the Chinese national standard "General rules for copper-clad laminated sheets for printed circuits". It was issued on July 8, 1992 by the State Bureau of Technical Supervision, and took effect on April 1, 1993. It is obsolete: it has been replaced by GB/T 4721-2021.
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Document preview — GB/T 4721-1992
National Standard of the People's Republic of China
Issued by: State Bureau of Technical Supervision
Contents
- Document data
1 Document data
Sector: National standard (Recommended).
Issuing body: State Bureau of Technical Supervision.
Date of issue: 1992-07-08.
Date of implementation: 1993-04-01.
Status: obsolete, replaced by GB/T 4721-2021.
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — all pages — is available in the English PDF.
Referenced standards
Cited by
- GB 47371-2026Safety technical specification for electric bicycle charging piles
- GB/T 46379-2025Bismaleimide triazine (BT) base material for integrated circuit packaging
- GB/T 4725-2022Epoxide woven glass fabric copper-clad laminated sheets for printed circuits
- GB/T 35850.1-2018Programmable electronic systems in safety-related applications for lifts (elevators), escalators and moving walks -- Part 1: Lifts (elevators) (PESSRAL)
- GB/T 35857-2018Safety rules for the construction and installation of electric lifts with inclined path
- GB/T 16315-2017Polymide woven glass fabric copper clad laminated sheets for printed circuits
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Related Standards
GB/T 10003-2026 — Biaxially oriented polypropylene (BOPP) film
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GB/T 10007-2026 — Rigid cellular plastics - Determination of shear properties
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GB/T 4721-1992
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