- 标准号
- 标准名称
- 发布日期
- IEC 60603-1:1991
- Connectors for frequencies below 3 MHz for use with printed boards - Part 1: Generic specification - General requirements and guide for the preparation of detail specifications, with assessed quality
- 1991-06-27
- ISO 5524:1991
- Tomatoes — Guide to cold storage and refrigerated transport
- 1991-06-26
- ISO 8206:1991
- Acceptance tests for oxygen cutting machines — Reproducible accuracy — Operational characteristics
- 1991-06-26
- IEC 61057:1991
- Aerial devices with insulating boom used for live working
- 1991-06-24
- IEC 61089:1991
- Round wire concentric lay overhead electrical stranded conductors
- 1991-06-19
- IEC 61089:1991
- Round wire concentric lay overhead electrical stranded conductors
- 1991-06-19
- IEC 61089:1991
- Round wire concentric lay overhead electrical stranded conductors
- 1991-06-19
- IEC TR 61055-1:1991
- Measurement techniques and operational adjustments of broadcast VTRs - Part 1: Operational adjustments on analogue composite broadcast VTRs
- 1991-06-19
- ISO 9853:1991
- Injection-moulded unplasticized poly(vinyl chloride) (PVC-U) fittings for pressure pipe systems — Crushing test
- 1991-06-19
- ISO 7908:1991
- Dried sweet cherries — Specification
- 1991-06-19
- ISO 10157:1991
- Photography — Flash exposure meter — Requirements
- 1991-06-19
- ISO/TR 10314-2:1991
- Industrial automation — Shop floor production — Part 2: Application of the reference model for standardization and methodology
- 1991-06-19
- IEC 60045-1:1991
- Steam turbines - Part 1: Specifications
- 1991-06-17
- IEC TR 61055-2:1991
- Measurement techniques and operational adjustments of broadcast VTRs - Part 2: Special mechanical measurements and alignments
- 1991-06-16
- IEC 61068-2:1991
- Specification for polyester fibre woven tapes - Part 2: Methods of test
- 1991-06-16
- IEC 61068-1:1991
- Specification for polyester fibre woven tapes - Part 1: Definitions, designation and general requirements
- 1991-06-14
- IEC 61067-1:1991
- Specification for glass and glass polyester fibre woven tapes - Part 1: Definitions, classification and general requirements
- 1991-06-14
- ISO 8571-2:1988/Cor 1:1991
- Information processing systems — Open Systems Interconnection — File Transfer, Access and Management — Part 2: Virtual Filestore Definition — Technical Corrigendum 1
- 1991-05-29
- ISO 8571-3:1988/Cor 1:1991
- Information processing systems — Open Systems Interconnection — File Transfer, Access and Management — Part 3: File Service Definition — Technical Corrigendum 1
- 1991-05-29
- ISO 8571-1:1988/Cor 1:1991
- Information processing systems — Open Systems Interconnection — File Transfer, Access and Management — Part 1: General introduction — Technical Corrigendum 1
- 1991-05-29

资质认证