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Database: 189760 (18 Oct 2025)
JJG 112-1991
Chinese Standard: 'JJG 112-1991'
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Related Standard
JJG 112-1991
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Days<=3
(Metal Rockwell hardness test procedures)
JJG 112-1991
Obsolete
JJG 112-1991
SIMILAR
unprotected-true-PDFs:
GB/T 36126-2018
GB/T 1885-1998
JJF 1070-2023
JJF 1943-2021
JJG 882-2019