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GB/T 7342-1987 English PDF

US$239.00 ยท In stock
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GB/T 7342-1987: IEC provisional reference coupler for the calibration of earphones used in audiometry
Status: Obsolete
Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)StatusPDF
GB/T 7342-1987English239 Add to Cart 2 days [Need to translate] IEC provisional reference coupler for the calibration of earphones used in audiometry Obsolete GB/T 7342-1987

PDF similar to GB/T 7342-1987


Standard similar to GB/T 7342-1987

GB/T 3222.1   GB/T 3222.2   GB/T 6882   GB/T 7341.3   GB/T 7341.5   GB/T 7341.1   

Basic data

Standard ID GB/T 7342-1987 (GB/T7342-1987)
Description (Translated English) IEC provisional reference coupler for the calibration of earphones used in audiometry
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard A59
Classification of International Standard 17.140.10
Word Count Estimation 6,615
Date of Issue 2/28/1987
Date of Implementation 11/1/1987
Adopted Standard IEC 60303-1970, MOD
Regulation (derived from) Announcement of Newly Approved National Standards 2010 No. 9 (No. 164 overall)
Issuing agency(ies) National Bureau of Standards

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