EN ISO 7235 标准查询与下载

DIN EN ISO 7235:2010 声学.管道消音器和空气界面装置的实验室测量规程.插入损失、流动噪声和总压损失(ISO 7235-2003).德文版本EN ISO 7235-2009

This standard specifies a measurement method for the determination of insertion loss, flow noise and pressure loss of ducted silencers. It applies

Acoustics - Laboratory measurement procedures for ducted silencers and air-terminal units - Insertion loss, flow noise and total pressure loss (ISO 7235:2003); German version EN ISO 7235:2009

EN ISO 7235:2003 声学.管道消音器和气端装置的实验室测量步骤.插入损失,流动噪声和总压损失ISO 7235-2003

Acoustics Laboratory measurement procedures for ducted silencers and air-terminal units Insertion loss, flow noise and total pressure loss ISO 7235:2003

LST EN ISO 7235:2010 声学 管道消音器和空气终端装置的实验室测量程序 插入损耗、流动噪声和总压力损失（ISO 7235:2003）

Acoustics - Laboratory measurement procedures for ducted silencers and air-terminal units - Insertion loss, flow noise and total pressure loss (ISO 7235:2003)

NS-EN ISO 7235:1995 声学 管道消音器的测量程序 插入损失、流动噪声和总压损失（ISO 7235:1991）

  Full Description This International Standard specifies the substitution method for determining the insertion loss of ducted

Acoustics — Measurement procedures for ducted silencers — Insertion loss, flow noise and total pressure loss (ISO 7235:1991)

NS-EN ISO 7235:2009 声学 管道式消音器和风端装置的实验室测量程序 插入损失、流动噪声和总压损失（ISO 7235:2003）

  Full Description ADOPTED_FROM:EN ISO 7235:2009 ISO 7235:2003 specifies methods for determining the insertion loss

Acoustics - Laboratory measurement procedures for ducted silencers and air-terminal units - Insertion loss, flow noise and total pressure loss (ISO 7235:2003)

UNE-EN ISO 7235:2010 声学 管道消音器和空气终端装置的实验室测量程序 插入损耗、流动噪声和总压力损失（ISO 7235:2003）

Acoustics - Laboratory measurement procedures for ducted silencers and air-terminal units - Insertion loss, flow noise and total pressure loss (ISO 7235:2003)

NS-EN ISO 7235:2003 声学 管道消声器和空气终端装置的实验室测量程序 插入损失、流动噪声和总压力损失（ISO 7235:2003）

  Full Description ADOPTED_FROM:EN ISO 7235:2003

Acoustics - Laboratory measurement procedures for ducted silencers and air-terminal units - Insertion loss, flow noise and total pressure loss (ISO 7235:2003)

UNE-EN ISO 7235:2004 声学 管道消声器和空气终端装置的实验室测量程序 插入损失、流动噪声和总压力损失（ISO 7235:2003）

Acoustics - Laboratory measurement procedures for ducted silencers and air-terminal units - Insertion loss, flow noise and total pressure loss (ISO 7235:2003)

EN ISO 7235:1995 声学.风道消音装置和风道末端装置的实验室测量程序.插入损失,流动噪声和总压力损失

Acoustics - Measurement Procedures for Ducted Silencers - Insertion Loss, Flow Noise and Total Pressure Loss (ISO 7235 : 1991)

EN ISO 7235:2009 声学.风道消音装置和风道末端装置的实验室测量程序.插入损失,流动噪声和总压力损失

This International Standard specifies methods for determining

Acoustics - Laboratory measurement procedures for ducted silencers and air-terminal units - Insertion loss, flow noise and total pressure loss

BS EN ISO 7235:2009 声学.风道消音装置和风道末端装置的实验室测量程序.插入损失、流动噪声和总压力损失

This International Standard specifies methods for determining ? the insertion loss, in frequency bands, of ducted silencers with and without airflow

Acoustics - Laboratory measurement procedures for ducted silencers and air-terminal units - Insertion loss, flow noise and total pressure loss

DIN EN ISO 7235:2004 声学 – 管道消音器的实验室测量 – 插入损耗、流动噪声和总压损失

Acoustics – laboratory measurements on silencers in ducts – insertion loss, flow noise and total pressure loss

DIN EN ISO 7235:1995 声学 管道消音器的测量程序 插入损失、流动噪声和总压损失

Acoustics — Measurement procedures for ducted silencers — Insertion loss, flow noise and total pressure loss

AENOR UNE-EN ISO 7235:2010 声学 管道式消音器和风端装置的实验室测量程序 插入损失、流动噪声和总压损失（ISO 7235:2003）

  Full Description ENGLISH * SAME AS ISO 7235

Acoustics - Laboratory measurement procedures for ducted silencers and air-terminal units - Insertion loss, flow noise and total pressure loss (ISO 7235:2003)

BS EN ISO 7235:2010 声学 风道消音装置和风道末端装置的实验室测量程序 插入损失、流动噪声和总压力损失

Acoustics. Laboratory measurement procedures for ducted silencers and air-terminal units. Insertion loss, flow noise and total pressure loss