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Database: 189760 (18 Oct 2025)
GB/T 1139-2017
Chinese Standard: 'GB/T 1139-2017'
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GB/T 1139-2017
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139
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Days<=3
Morse and metric taper reamers
GB/T 1139-2017
Valid
GB/T 1139-2017
SIMILAR
unprotected-true-PDFs:
GB/T 33524.2-2017
GB/T 972-2008
GB/T 5104-2008
GB/T 5105-2004