Find your 3.1 certificate through the directory tree, or more easily by entering the batch number. For more precise hits, include the leading zeros.

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Name Batch Size
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CuAl8
CuAl8Ni2
CuAl8Ni6
CuAl9Fe
CuAl10
CuMn13Al7
CuNi30Fe
CuSi3
CuSi28L
CuSn
CuSn6

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