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Standard
| SJ 20828-2002 Testing chart for qualified identfying (English Version) |
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Detail of SJ 20828-2002
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Introduction of SJ 20828-2002
本标准规定了单面、双面和十层印制板的测试图形和布设总图，供合格鉴定印制板使用。本标准适用于军用电子设备用电子设备用刚性、挠性和刚挠印制板及有金属芯印制板的有关测试图形及其详细说明。
Contents of SJ 20828-2002