IPC-A-610D Chinese.pdf - 第286页
1 W T 9-1 W 50% W 1 5 4 3 2 9-2 9-3 9-2 IPC-A-610D
9-1IPC-A-610D
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A = 0.25 mm [0.00984 in]
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1 W T 9-1 W 50% W 1 5 4 3 2 9-2 9-3 9-2 IPC-A-610D