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Chinese Standard: GB/T 22774-2008

Mechanical alarm clocks

全国钟表标准化技术委员会

本标准规定了机械闹钟(以下简称闹钟)的产品分类、技术要求、试验方法、检验规则及标志、包装、运输、贮存。
本标准适用于以发条为动力源并能在预定时间发出响闹的具有摆轮游丝振荡系统的机械闹钟。机械闹钟机心亦可参照使用。

This standard is the original Chinese electronic standard.
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