BIS IS 9901-9-1986 (R2001) 标准详情
- 标准号：BIS IS 9901-9-1986 (R2001)
- 中文标题：
- 英文标题：Measurement Of Sound Insulation In Buildings And Of Building Elements - Part 9: Laboratory Measurement Of Room To Room Airborne Sound Insulation Of A Suspended Ceiling With A Plenum Above It
- 标准类别：印度IS
- 发布日期：
