IEVref:821-04-21ID:
Language:enStatus: Obsolete
Term: securing bolt
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Definition: a device, with or without key-lock, which can be mounted on the fixed rail and which holds the point blade in the closed or in the open position

NOTE – If the device has a key-lock, the possession of the key guarantees that the point blade is locked in the correct position.


Publication date:1998-04
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