AU1768853A - Improvements relating to code following. devices ofthe magnetic amplifier type for use in coded track circuit signalling systems
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Improvements relating to code following. devices ofthe magnetic amplifier type for use in coded track circuit signalling systems
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
AU17688/53A1953-04-22Improvements relating to code following. devices ofthe magnetic amplifier type for use in coded track circuit signalling systems
ExpiredAU158601B2
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