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Database: 365,228(8 Aug 2026)

double helix structure

double helix structure, Total:13 items.

The international standard classification for "double helix structure" includes: .

The Chinese standard classification for "double helix structure" includes: Special instruments for teaching .


Professional Standard - Post and Telecommunication

  • YD/T 206.16-1997 Iron Pieces for Overhead Communication Lines - Guy Double Helixes

Professional Standard - Education

  • JY 65-1981 Technical specifications for DNA structure model (trial)

American Society of Mechanical Engineers (ASME)

RU-GOST R

  • GOST 22039-1976 Studs with threaded end of 2d. Product grade A. Construction and dimensions
  • GOST 22037-1976 Studs with threaded end of 1,6d. Product grade A. Construction and dimensions
  • GOST 22033-1976 Studs with threaded end of 1d. Product grade A. Construction and dimensions
  • GOST 22035-1976 Studs with threaded end of 1,25d. Product grade A. Construction and dimensions
  • GOST 22041-1976 Studs with threaded end of 2,5d. Product grade A. Construction and dimensions
  • GOST 22038-1976 Studs with threaded end of 2d. Product grade B. Construction and dimensions
  • GOST 22036-1976 Studs with threaded end of 1,6d. Product grade B. Construction and dimensions
  • GOST 22034-1976 Studs with threaded end of 1,25d. Product grade B. Construction and dimensions
  • GOST 22040-1976 Studs with threaded end of 1,2d. Product grade B. Construction and dimensions
  • GOST 22032-1976 Studs with threaded end of 1d. Product grade B. Construction and dimensions