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www.ChineseStandard.net Database: 189760 (25 Oct 2025)

SJZ9139-1987 English PDF

Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)StatusPDF
SJ/Z 9139-1987EnglishRFQ ASK 9 days [Need to translate] Acoustic signaling device Obsolete SJ/Z 9139-1987

PDF similar to SJZ9139-1987


Standard similar to SJZ9139-1987

GB/T 25102.7   GB/T 14471   GB/T 25102.13   SJ/T 11180.3   SJ/T 11180.4   SJ/T 11180.2   

Basic data

Standard ID SJ/Z 9139-1987 (SJ/Z9139-1987)
Description (Translated English) Acoustic signaling device
Sector / Industry Electronics Industry Standard
Classification of Chinese Standard M72
Word Count Estimation 40,489
Adopted Standard UL 464-1981, IDT
Regulation (derived from) Industry-Science (2010) No. 77