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Norm
ÖNORM EN 257
Issue date: 1992 07 01
Mechanical thermostats for gas burning appliances
Withdrawn: 1996 10 01
Publisher:
Austrian Standards International
Format:
Paper | 21 Pages
Language:
German
Currently valid:
Optionally co-design standards:
ÖNORM M 7421-2
1980 09 01
Combinations of controls for gas appliances; temperature regulators and temperature limiters in comb...
Norm
