DIN-EN-257 › Complete Document History
Mechanical Thermostats for Gas-Burning Appliances
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2010 EDITION - ENGLISH MANUSCRIPT - Nov. 1, 2010
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Obsolete Revision Information: |
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1996 EDITION - ENGLISH VERSION OF EN-257 AM 1 - Aug. 1, 1996
1992 EDITION - ENGLISH VERSION - June 1, 1992 |