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洛氏硬度基准操作技术规范
Operating Technical Norm of Rockwell Hardness Primary Standard
价格：￥0.00
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布氏硬度副基准操作技术规范
Operating Technical Norm of Second ary Standard of Brinell Hardness
价格：￥0.00
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布氏硬度基准操作技术规范
Opeerating Technical Norm of Pri mary Standdard for the Brinell Hardness
价格：￥0.00
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1×1000牛米基准扭矩机操作技术规范
价格：￥0.00
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5×1000牛米基准扭矩机操作技术规范
Operating Technical Norm of the Primary Standard for 5*10e3N.m Torguer
价格：￥0.00
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气动测量仪
Pneumatic Measuring Instument for Micrometers
价格：￥0.00
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