Horology. Hardness of the steel parts of A watch.

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Main informations

Collections

National standards and national normative documents

Publication date

December 1970

Number of pages

1 p.

Reference

NF S80-701

ICS Codes

39.040.10 Watches

Classification index

S80-701

Print number

Standard replaced by (1)

NF S80-701

March 1995

Standard Current

Horology. Hardness of steel parts of the watch.

Le présent document fixe les limites de dureté des pièces en acier de la montre.

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