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时间指示和计时仪器
UL Standard for Safety Time-Indicating and -Recording Appliances (Eighth Edition; Reprint with Revisions Through and Including November 03@ 2009)
参考页数:48P.;A4
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计时仪器用公差与配合.塑料件公差
Tolerances and fits for timekeeping instruments.Tolerances of plastic parts
价格:¥0.00
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计时仪器用齿轮 端面齿轮
Gears for timekeeping instruments.contrate gears
价格:¥0.00
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计时学术语.第2部分:技术和商业用定义
Horological vocabulary.Part2:Technical and commercial definitions
价格:¥0.00
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计时学术语 第二部分 商业技术用定义
价格:¥0.00
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通用计数器检定规程
Universal Counters
价格:¥0.00
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