BS 4794-2-2.1:1977
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
standard by BSI Group, 01/31/1977
- Comments Off on BS 4794-2-2.1:1977
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