GB/T 38009-2019 Translated English of Chinese Standard. (GBT 38009-2019, GB/T38009-2019, GBT38009-2019) PDF Download
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Author: https://www.chinesestandard.net
Publisher: https://www.chinesestandard.net
ISBN:
Category : Technology & Engineering
Languages : en
Pages : 25
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Book Description
This Standard specifies the requirement for the nickel release from the metal parts of metal and combination frames, the method of wear simulation, the measurement of nickel release, calculations, and test report. This Standard applies to those spectacle frames which, if produced with materials or surface treatments containing nickel.
Author: https://www.chinesestandard.net
Publisher: https://www.chinesestandard.net
ISBN:
Category : Technology & Engineering
Languages : en
Pages : 25
Get Book Here
Book Description
This Standard specifies the requirement for the nickel release from the metal parts of metal and combination frames, the method of wear simulation, the measurement of nickel release, calculations, and test report. This Standard applies to those spectacle frames which, if produced with materials or surface treatments containing nickel.
