Obsolete

QB/T 1901.2-1993Watch-cases and Accessories - Gold Alloy Coverings - Part 2: Determination of Fineness, Thickness, Corrosion Resistance and Bonding Strength (English PDF)

表壳体及其附件金合金覆盖层第2部分纯度、厚度、耐腐蚀性能和结合强度的测试

QB/T 1901.2 | Evolution and historical versions

Std ID	Title	Status
QB/T 1901.2-2006	Watch-cases and accessories-Gold alloy coverings-Part 2:Determination of fineness thickness corrosion resistance and adhension	Obsolete
QB/T 1901.2-1993	Watch-cases and Accessories - Gold Alloy Coverings - Part 2: Determination of Fineness, Thickness, Corrosion Resistance and Bonding Strength	Obsolete

QB/T 1901.2-1993 is obsolete. It has been replaced by QB/T 1901.2-2006. This page sells the obsolete edition, for projects and contracts that still cite it.

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Level / Type

National · Recommended

Issue date

January 6, 1994

Implementation date

August 1, 1994

Scope

QB/T 1901.2-1993 is the English-translated version of 表壳体及其附件金合金覆盖层第2部分纯度、厚度、耐腐蚀性能和结合强度的测试.

QB/T 1901.2-1993 is the Chinese industry standard "Watch-cases and Accessories - Gold Alloy Coverings - Part 2: Determination of Fineness, Thickness, Corrosion Resistance and Bonding Strength".

It was issued on January 6, 1994, and took effect on August 1, 1994. It is obsolete: it has been replaced by QB/T 1901.2-2006.

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Document preview — QB/T 1901.2-1993

Document data

1 Document data

Sector: Light Industry (industry standard).

Date of issue: 1994-01-06.

Date of implementation: 1994-08-01.

Status: obsolete, replaced by QB/T 1901.2-2006.

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — all pages — is available in the English PDF.

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