introducedRequirement

URI: https://gptkb.org/prop/introducedRequirement
3 triples
GPTKB property
Random triples
Subject Object
gptkb:Regulation_of_Railways_Act_1889 block system
gptkb:Regulation_of_Railways_Act_1889 brake power on trains
gptkb:Regulation_of_Railways_Act_1889 interlocking of points and signals