Watthour meters in moulded insulation case without instrument transformers, up to 60 A rated maximum current; principal dimensions for single-phase meters
不带互感器的模制绝缘外壳中的电能表 最大额定电流不超过60A；单相电表的主要尺寸

1978-09-01

Watthour meters in moulded insulation case without instrument transformers, up to 60 A rated maximum current; principal dimensions for meter terminal cover for poly-phase meters
不带互感器的模制绝缘外壳中的电能表 最大额定电流不超过60A；多相电表终端盖的主要尺寸

1974-12-01

Watthour meters in moulded insulation case without instrument transformers, up to 60 A rated maximum current; principal dimensions for meter terminal cover for single-phase meters
不带互感器的模制绝缘外壳中的电能表 最大额定电流不超过60A；单相电表端子盖的主要尺寸

1974-12-01

Watthour meters in moulded case without instrument transformers up to 60 A rated maximum current - Part 5: Principal dimensions for terminal cover
额定最大电流60A及以下无互感器的模制外壳电能表.第5部分:端子盖的主要尺寸

1998-05-01