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| GB/T 12559-1990 The patternes series for artwork master of printed circuits (English Version) |
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Detail of GB/T 12559-1990
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Introduction of GB/T 12559-1990
本标准规定了印制电路用照相底图图形及尺寸系列。本标准适用于手工贴图制作印制电路照相底图和光绘图制作照相原版。
Contents of GB/T 12559-1990