GOST 2.309-73 — Unified system for design documentation (ESKD). Surface roughness designations

GOST 2.309-73

  • Designation: GOST 2.309-73
  • Title: Unified system for design documentation (ESKD). Surface roughness designations
  • Status: In force
  • Effective date: 01.01.1975

Scope

This standard establishes rules for marking surface roughness designations on drawings of products of all industries and is used in the development of drawings of optical parts and assemblies.

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GOST 2.309-73