资质认证
- ISO 6696:1989
- Cycles — Screw threads used in bottom bracket assemblies
- 1989-12-13
- ISO 7201-1:1989
- Fire protection — Fire extinguishing media — Halogenated hydrocarbons — Part 1: Specifications for halon 1211 and halon 1301
- 1989-12-13
- ISO 7539-3:1989
- Corrosion of metals and alloys — Stress corrosion testing — Part 3: Preparation and use of U-bend specimens
- 1989-12-13
- ISO 6698:1989
- Cycles — Screw threads used to assemble freewheels on bicycle hubs
- 1989-12-06
- ISO 105-F10:1989
- Textiles — Tests for colour fastness — Part F10: Specification for adjacent fabric: Multifibre
- 1989-12-06
- ISO 7539-2:1989
- Corrosion of metals and alloys — Stress corrosion testing — Part 2: Preparation and use of bent-beam specimens
- 1989-12-06
- ISO 7539-5:1989
- Corrosion of metals and alloys — Stress corrosion testing — Part 5: Preparation and use of C-ring specimens
- 1989-12-06
- ISO 7539-4:1989
- Corrosion of metals and alloys — Stress corrosion testing — Part 4: Preparation and use of uniaxially loaded tension specimens
- 1989-12-06
- IEC 60335-2-3:1986/AMD1:1989
- Amendment 1 - Safety of household and similar electrical appliances - Part 2-3: Particular requirements for electric irons
- 1989-11-30
- IEC 60793-1:1989
- Optical fibres - Part 1: Generic specification
- 1989-11-30
- IEC 60870-1-2:1989
- Telecontrol equipment and systems. Part 1: General considerations. Section Two: Guide for specifications
- 1989-11-29
- IEC 60529:1989
- Degrees of protection provided by enclosures (IP Code)
- 1989-11-29
- ISO 105-A04:1989
- Textiles — Tests for colour fastness — Part A04: Method for the instrumental assessment of the degree of staining of adjacent fabrics
- 1989-11-29
- ISO 561:1989
- Coal preparation plant — Graphical symbols
- 1989-11-29
- ISO 3545-1:1989
- Steel tubes and fittings — Symbols for use in specifications — Part 1: Tubes and tubular accessories with circular cross-section
- 1989-11-29
- ISO 1608-2:1989
- Vapour vacuum pumps — Measurement of performance characteristics — Part 2: Measurement of critical backing pressure
- 1989-11-29
- ISO 3545-2:1989
- Steel tubes and fittings — Symbols for use in specifications — Part 2: Square and rectangular hollow sections
- 1989-11-29
- ISO 4902:1989
- Information technology - Data communication - 37-pole DTE/DCE interface connector and contact number assignments
- 1989-11-23
- ISO 4902:1989
- Information technology - Data communication - 37-pole DTE/DCE interface connector and contact number assignments
- 1989-11-23
- ISO/IEC 8881:1989
- Information processing systems -- Data communications -- Use of the X.25 packet level protocol in local area networks
- 1989-11-22
