Technical requirements and verification for clocks and clockmovements with electrical energy source; frequency of resonator 1000 Hz, terms of delivery for clock movements
带有电能源的时钟和钟表机芯的技术要求和验证；谐振器频率1000 Hz 时钟移动交付条款

1977-03-01

民用钟表类商品验收规范
Technical requirements for commodity purchase and check of civil watches and clocks

2014-04-06

基准主时间（PRTC）设备技术要求
Technical requirements of Primary Reference Time Clock (PRTC) equipment

2021-03-05

一级基准时钟设备技术要求及测试方法
Technical Requirements and Testing Methods of Primary Reference Clock Equipment

2006-06-08

Technical requirements and verification for watches and watch movements; watches with pin lever escapement
手表和手表机芯的技术要求和验证；带销杆擒纵机构的手表

1977-04-01

Technical requirements and verification for watches and watch movements; watches with electrical energy source, frequency of oscillating system 1000 Hz
手表和手表机芯的技术要求和验证；带有电能源的手表 振荡系统的频率1000 Hz

1975-06-01