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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 4721-2021 |
General rules for rigid copper clad laminates for printed circuits 印制电路用刚性覆铜箔层压板通用规则 |
China National Standards General rules copper |
 English PDF |
| GB/T 4721-1992 |
General rules for copper-clad laminated sheets for printed circuits 印制电路用覆铜箔层压板通用规则 |
China National Standards General rules copper |
English PDF |
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