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JB/T 7257-2018 English PDF

US$209.00 ยท In stock
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JB/T 7257-2018: (Qualification and certification of aviation non-metallic performance testing personnel)
Status: Valid

JB/T 7257: Evolution and historical versions

Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)StatusPDF
JB/T 7257-2018English209 Add to Cart 3 days [Need to translate] (Qualification and certification of aviation non-metallic performance testing personnel) Valid JB/T 7257-2018
JB/T 7257-1994English399 Add to Cart 3 days [Need to translate] Travel crane type dreg and grit scraper Obsolete JB/T 7257-1994

PDF similar to JB/T 7257-2018


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Basic data

Standard ID JB/T 7257-2018 (JB/T7257-2018)
Description (Translated English) (Qualification and certification of aviation non-metallic performance testing personnel)
Sector / Industry Mechanical & Machinery Industry Standard (Recommended)
Classification of Chinese Standard J88
Word Count Estimation 9,996
Date of Issue 2018-07-04
Date of Implementation 2019-05-01
Older Standard (superseded by this standard) JB/T 7257-1994
Regulation (derived from) Ministry of Industry and Information Technology Announcement No.36 of 2018
Issuing agency(ies) Ministry of Industry and Information Technology
Summary This standard specifies the naming, basic parameters, technical requirements, test methods, inspection rules, marking, packaging, transportation and storage of the driving type slag scraping machine for the advection grit chamber. This standard is applicable to the grit chamber in the water treatment project, which is used to scrape the sinking sand (mud) and surface floating material at the bottom of the pool.

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Question 5: Should I purchase the latest version JB/T 7257-2018?

Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version JB/T 7257-2018 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.