http://sfe-electronics.com has been crawled 9 times going all the way back to March 27, 2012.

A crawl can be a duplicate of the last one. It happens about 25% of the time across 420,000,000 websites. FAQ
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March 27, 2012

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April 27, 2012

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July 2, 2012

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July 19, 2012

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August 25, 2012

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September 25, 2012

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December 6, 2012

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Note

This calendar view maps the number of times http://sfe-electronics.com was crawled by the Wayback Machine, not how many times the site was actually updated. More info in the FAQ.