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GB/T 18780.2-2003Geometrical product specifications (GPS) - Geometrical features - Part 2: Extracted median line of a cylinder and a cone, extracted median surface, local size of an extracted feature (English PDF)

产品几何量技术规范（GPS）几何要素第2部分: 圆柱面和圆锥面的提取中心线、平行平面的提取中心面、提取要素的局部尺寸

GB/T 18780.2 | Evolution and historical versions

Std ID	Title	Status
GB/T 18780.2-2003	Geometrical product specifications (GPS) - Geometrical features - Part 2: Extracted median line of a cylinder and a cone, extracted median surface, local size of an extracted feature	Obsolete

GB/T 18780.2-2003 is obsolete. This page sells the obsolete edition, for projects and contracts that still cite it.

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Issued by

Standardization Administration of China

Level / Type

National · Recommended

Issue date

March 6, 2003

Implementation date

November 1, 2003

Scope

GB/T 18780.2-2003 is the English-translated version of 产品几何量技术规范（GPS）几何要素第2部分: 圆柱面和圆锥面的提取中心线、平行平面的提取中心面、提取要素的局部尺寸.

GB/T 18780.2-2003 is the Chinese national standard "Geometrical product specifications (GPS) - Geometrical features - Part 2: Extracted median line of a cylinder and a cone, extracted median surface, local size of an extracted feature".

It was issued on March 6, 2003 by the Standardization Administration of China, and took effect on November 1, 2003. It is obsolete: it has been withdrawn (abolished on January 28, 2026).

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Document preview — GB/T 18780.2-2003

National Standard of the People's Republic of China

Issued by: Standardization Administration of China

Document data

1 Document data

Sector: National standard (Recommended).

Issuing body: Standardization Administration of China.

Date of issue: 2003-03-06.

Date of implementation: 2003-11-01.

Status: obsolete, withdrawn on 2026-01-28.

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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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