ISO 11691 標準查詢與下載

LST EN ISO 11691:2010 聲學 無流量管道消音器插入損耗的測量 實驗室調查方法（ISO 11691:1995）

Acoustics - Measurement of insertion loss of ducted silencers without flow - Laboratory survey method (ISO 11691:1995)

DIN EN ISO 11691:1996-02 無氣流情況下導管消聲器插入損失的測量 實驗室調查方法（ISO 11691:1995）

Measurement of insertion loss of ducted silencers without flow - Laboratory survey method (ISO 11691:1995)

OENORM EN ISO 11691:2021 聲學 無流量管道消音器插入損耗的測量 實驗室調查方法（ISO 11691:2020）

Acoustics - Measurement of insertion loss of ducted silencers without flow - Laboratory survey method (ISO 11691:2020)

NS-EN ISO 11691:2020 聲學 無流管道消聲器插入損耗的測量 實驗室調查方法（ISO 11691:2020）

ADOPTED_FROM:EN ISO 11691:2020 This document specifies a laboratory substitution method to determine the insertion loss without flow of ducted

Acoustics — Measurement of insertion loss of ducted silencers without flow — Laboratory survey method (ISO 11691:2020)

DIN EN ISO 11691:2010 聲學.無流量管道中消音器的插入損耗測量.實驗室鑒定法(ISO 11691-1995).德文版本EN ISO 11691-2009

The document specifies a method for the simplified determination of the insertion loss of duct silencers intended for use with flows with velocities

Acoustics - Measurement of insertion loss of ducted silencers without flow - Laboratory survey method (ISO 11691:1995); German version EN ISO 11691:2009

DIN EN ISO 11691:2021 聲學. 無流量管道中消音器的插入損耗測量. 實驗室鑒定法(ISO 11691-2020); 德文版本EN ISO 11691-2020

The document specifies a method for the simplified determination of the insertion loss of duct silencers intended for use with flows with velocities

Acoustics - Measurement of insertion loss of ducted silencers without flow - Laboratory survey method (ISO 11691:2020); German version EN ISO 11691:2020

DIN EN ISO 11691:2010-01 聲學 無氣流情況下管道消聲器插入損失的測量 實驗室調查方法（ISO 11691:1995）

Acoustics - Measurement of insertion loss of ducted silencers without flow - Laboratory survey method (ISO 11691:1995)

PN-EN ISO 11691-2021-05 E 聲學 無流量管道消音器插入損耗的測量 實驗室調查方法（ISO 11691:2020）

Acoustics -- Measurement of insertion loss of ducted silencers without flow -- Laboratory survey method (ISO 11691:2020)

DS/EN ISO 11691:2020 聲學“無流量管道消音器插入損耗的測量”實驗室調查方法（ISO 11691:2020）

Acoustics – Measurement of insertion loss of ducted silencers without flow – Laboratory survey method (ISO 11691:2020)

SN EN ISO 11691:2021 聲學 無流量管道消音器插入損耗的測量 實驗室調查方法（ISO 11691:2020）

Acoustics - Measurement of insertion loss of ducted silencers without flow - Laboratory survey method (ISO 11691:2020)

LST EN ISO 11691:2021 聲學 無流量管道消音器插入損耗的測量 實驗室調查方法（ISO 11691:2020）

Acoustics - Measurement of insertion loss of ducted silencers without flow - Laboratory survey method (ISO 11691:2020)

DANSK DS/EN ISO 11691:2020 聲學 無流動的管道消聲器插入損耗的測量 實驗室調查方法（ISO 11691:2020）

Acoustics – Measurement of insertion loss of ducted silencers without flow – Laboratory survey method (ISO 11691:2020)

UNE-EN ISO 11691:1996 聲學 無流量情況下管道式消聲器插入損耗的測量 實驗室調查方法 （ISO 11691：1995）

ACOUSTICS. MEASUREMENT OF INSERTION LOSS OF DUCTED SILENCERS WITHOUT Flow. Laboratory survey method. (ISO 11691:1995).

BS EN ISO 11691:2010 聲學 無氣流管道消聲器插入損失的測量 實驗室測量法

Acoustics. Measurement of insertion loss of ducted silencers without flow. Laboratory survey method

NF EN ISO 11691:2020 聲學. 無流動管道中消聲器插入損耗的測定. 實驗室控制方法

Acoustics - Determination of the insertion loss of silencers in ducts without flow - Laboratory control method