Backup diff of CO2 (No. 1)

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  • 1 (2012-11-30 (Fri) 17:30:23)
  • 2 (2012-12-03 (Mon) 14:46:53)

• The added line is THIS COLOR.
• The deleted line is THIS COLOR.

- COとCO2濃度の人体への危険度に関して
--  http://www.rielloburners.co.jp/eco_co_co2.htm