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Norm
ÖNORM M 7321
Issue date: 1980 11 01
Quick opening devices on boilers or pressure vessels
Withdrawn: 2004 08 01
§ Legal References
Publisher:
Austrian Standards International
Format:
Digital | 3 Pages
Language:
German
Optionally co-design standards:
ICS
Norm
Issue date :
1992 01 01
Inspection openings in shells of boilers or pressure vessels