Talk:Hans Bock (chemist)

External links modified
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I have just modified one external link on Hans Bock (chemist). Please take a moment to review my edit. If you have any questions, or need the bot to ignore the links, or the page altogether, please visit this simple FaQ for additional information. I made the following changes:
 * Added archive https://web.archive.org/web/20110719031539/http://www.gdch.de/gdch/eps/preise/klemm.htm to http://www.gdch.de/gdch/eps/preise/klemm.htm

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Cheers.— InternetArchiveBot  (Report bug) 16:15, 29 October 2017 (UTC)