DIN ISO 9921-1 (1992-12) 标准详情
- 标准号：DIN ISO 9921-1 (1992-12)
- 中文标题：
- 英文标题：Ergonomic Assessment Of Speech Communication; Part 1: Speech Interference Level And Communication Distances For Persons With Normal Hearing Capacity In Direct Communication (sil Method)
- 标准类别：德国标准DIN
- 发布日期：
