Lenovo ThinkPad T510 Hardware Maintenance Manual page 120

For some models, you also need to apply one or two FCC labels. Check the old base cover; if it has one or
two FCC labels, find duplicates of them in the label kit and apply them to the new base cover.
For the location of each label, refer the following figure:
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ThinkPad T510, T510i, and W510 Hardware Maintenance Manual
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