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www.ChineseStandard.net Database: 189760 (18 Oct 2025)

SJ 1521-1979 English PDF

US$279.00 ยท In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
SJ 1521-1979: General specification for toggle lever switches
Status: Obsolete

SJ 1521: Evolution and historical versions

Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)StatusPDF
SJ 1521-1979English279 Add to Cart 3 days [Need to translate] General specification for toggle lever switches Obsolete SJ 1521-1979
SJ 1521-1965EnglishRFQ ASK 3 days [Need to translate] (KN3 type toggle switch) Obsolete SJ 1521-1965

PDF similar to SJ 1521-1979


Standard similar to SJ 1521-1979

GB/T 17737.100   GB/T 21711.1   

Basic data

Standard ID SJ 1521-1979 (SJ1521-1979)
Description (Translated English) General specification for toggle lever switches
Sector / Industry Electronics Industry Standard
Classification of Chinese Standard L22
Word Count Estimation 7,722

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Question 1: How long will the true-PDF of SJ 1521-1979_English be delivered?

Answer: Upon your order, we will start to translate SJ 1521-1979_English as soon as possible, and keep you informed of the progress. The lead time is typically 1 ~ 3 working days. The lengthier the document the longer the lead time.

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Question 5: Should I purchase the latest version SJ 1521-1979?

Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version SJ 1521-1979 even if the enforcement date is in future. Complying with the latest version means that, by default, it also complies with all the earlier versions, technically.