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Standard ČSN EN 1978 1.3.2023 preview

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ČSN EN 1978 (421311)

Copper and copper alloys - Copper cathodes

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STANDARD published on 1.3.2023


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The information about the standard:

Designation standards: ČSN EN 1978
Classification mark: 421311
Catalog number: 516778
Publication date standards: 1.3.2023
SKU: NS-1103100
The number of pages: 16
Approximate weight : 48 g (0.11 lbs)
Country: Czech technical standard
Category: Technical standards ČSN

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Copper products

Annotation of standard text ČSN EN 1978 (421311):

Tento dokument stanovuje požadavky na chemické složení a vlastnosti katod z dvou tříd mědi označených Cu-CATH-1 (CR001A) a Cu-CATH-2 (CR002A).

Příloha A (normativní) popisuje metody pro odběr vzorků katod pro použití v případech sporu mezi dodavatelem a odběratelem. Příloha B (informativní) uvádí informace o vztazích mezi rezistivitou a konduktivitou mědi

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