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ÖNORM B 2531
2019 04 15
Specifications for installations inside buildings conveying water for human consumption - National s...
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ÖNORM B 2538
2018 02 01
Water supply - Requirements for systems and components outside buildings - Additional specifications...
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ÖNORM B 2530
2010 04 01
Water supply plants and distribution pipelines - Summary of graphical symbols
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ÖNORM B 2530-2
2005 04 01
Water supply - Water distribution - Part 2: Graphic symbols
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ÖNORM B 2530-2
2004 03 01
Water supply - Water distribution - Part 2: Graphic symbols
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ÖNORM B 2530-2
1998 03 01
Water supply - Water distribution - Graphic Symbols
Norm
ÖNORM B 2530-2
1975 09 01
Water supply systems; symbols
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Norm
ÖNORM B 2530-2
Issue date : 1998 03 01
Water supply - Water distribution - Graphic Symbols