Colours of indicator lights, push-buttons, annunciators and digital readouts : part - 1 : specification for colours of indicator lights and push-buttons
Colours of indicator lights, push-buttons, annunciators and digital readouts : part - 1 : specification for colours of indicator lights and push-buttons
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- London BSI 1986
- 9 p.
- BSI 4099 : part - 1 : 1986 .
DBSI 4099 : part - 1 : 1986
DBSI 4099 : part - 1 : 1986