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Introduction
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03-25-09 | 07:13 PM
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Alfster
long time visiter
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in the Northern Tundra
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2005 Trek 6700 disc 2007 Orbea Onix 2009 Raleigh One Way
Here's a few interesting early patents from Werlich.
http://www.google.ca/patents?id=dIxT...ult#PPA1929,M1
http://www.google.ca/patents?id=tbVM...ntario#PPA3,M1
http://www.google.ca/patents?id=FSBv...ntario#PPA4,M1
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