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Database: 189760 (18 Oct 2025)
SHJ521-1991 English PDF
Standard ID
Contents [version]
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Standard Title (Description)
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PDF
SHJ 521-1991
English
RFQ
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9 days [Need to translate]
(Technical specification of petroleum chemical instrumentation construction)
Obsolete
SHJ 521-1991
PDF similar to SHJ521-1991
Standard similar to SHJ521-1991
HG/T 3105
HG/T 2377
Basic data
Standard ID
SHJ 521-1991 (SHJ521-1991)
Description (Translated English)
(Technical specification of petroleum chemical instrumentation construction)
Sector / Industry
Petrochemical Industry Standard
Classification of Chinese Standard
G98
Word Count Estimation
46,486
Regulation (derived from)
Development & Reform Commission Notice 2007 No. 7