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Database: 365,228(8 Aug 2026)

Yiheng

Yiheng, Total:7 items.

The international standard classification for "Yiheng" includes: Electricity. Magnetism. Electrical and magnetic measurements , Non-destructive testing .

The Chinese standard classification for "Yiheng" includes: Monitoring instrument , X ray, magnetic powder, fluorescent light and other defectoscope , Vessel materials and their inspection methods .


机械工业部

  • JB/T 6817-1993 DDZ-Ⅱ series electric unit combined instrument constant current given device

General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China

  • GB/T 26830-2011 Non-destructive testing instruments - High frequency constant potential X-ray equipment
  • GB/T 13636-1992 DDZ-IIIseries process electronic control system--Constant current settes

Professional Standard-Ships

Standard Association of Australia (SAA)

  • AS 1289.6.7.3:1999 Methods of testing soils for engineering purposes - Soil strength and consolidation tests - Determination of permeability of a soil - Constant head method using a flexible wall permeameter

German Institute for Standardization

  • DIN 6847-5:1998 Medical electron accelerator - Part 5: Constancy test of functional performance characteristics

TR-TSE

  • TS 2950-1978 Measurement Of Water Flow In Closed Conduits - Tracer Methods Part III: Constant Rate Injection Method Using Radioactive Tracers