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Specification for tool steels
出版:British Standards Institution

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基本信息
標(biāo)準(zhǔn)編號: BS 4659:1971
發(fā)布時間:1971/2/12 0:00:00
標(biāo)準(zhǔn)類別:Standard
出版單位:British Standards Institution
標(biāo)準(zhǔn)頁數(shù):0
標(biāo)準(zhǔn)簡介
Specifies requirements for six types of tool steel in the form of black rolled bar round or flat section; hot rolled coil; ground rolled bar; machined, ground or drawn bar and rod; sheet or strip; forgings; forged bar.
標(biāo)準(zhǔn)備注
? British Standards Institution 2013