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JIS B 1012:1985現(xiàn)行
Cross recesses for screws
出版：Japanese Standards Association
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基本信息
標(biāo)準(zhǔn)編號(hào)： JIS B 1012:1985
標(biāo)準(zhǔn)類別：Standard
出版單位：Japanese Standards Association
標(biāo)準(zhǔn)頁數(shù)：21
標(biāo)準(zhǔn)簡介
This Japanese Industrial Standard specifies the shape, dimensions and measuring method for cross recesses formed on the heads of machine screws, wood screws, tapping screws and the like, hereinafter referred to as the "cross recess".
等同采用的國際標(biāo)準(zhǔn)
ISO 4757:1983 - Equivalent
