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NS 3420-A:2009 PDF

Specification texts for building, construction and installations — Part A: Preliminaries and General Provisions

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NS 3420-A:2019+AC:2022 PDF

Specification texts for building, construction and installations - Part A: Preliminaries and General Provisions

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NS 3420-A:2019/AC:2022 PDF

Specification texts for building, construction and installations - Part A: Preliminaries and General Provisions

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NS 3420-A:2019 PDF

Specification texts for building, construction and installations - Part A: Preliminaries and General Provisions

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NS 3420-B:1999 PDF

Specification texts for building, construction and installations - Part B: Capital allocations and preliminary work

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NS 3420-BE:2008 PDF

Specification texts for building, construction and installations — Part BE: Building elements

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NS 3420-BE:2011/AC:2012 PDF

Specification texts for building, construction and installations — Part BE: Building elements

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NS 3420-BE:2011 PDF

Specification texts for building, construction and installations — Part BE: Building elements

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NS 3420-BE:2013 PDF

Specification texts for building, construction and installations — Part BE: Building elements

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NS 3420-BE:2014 PDF

Specification texts for building, construction and installations — Part BE: Building elements

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