标准编号BS 4794-2-2.1:1977, IEC 60337-2:1972
标准名称Specification for control switches (switching devices, including contactor relays, for control and auxiliary circuits, for voltages up to and including 1000 V a.c. and 1200 V d.c.). Push-buttons and related control switches
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废止日期1992-09-15
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