JB/T 12980-2016
Solid carbide deep hole internal cooling extra long straight shank twist drill (English Version)
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JB/T 12980-2016
Standard No.
JB/T 12980-2016
Language
Chinese,
Available in English version
Release Date
2016
Published By
工业和信息化部/国家能源局
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JB/T 12980-2016
JB/T 12980-2016 history
2016
JB/T 12980-2016
Solid carbide deep hole internal cooling extra long straight shank twist drill
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