This HTML5 document contains 36 embedded RDF statements represented using HTML+Microdata notation.

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PrefixNamespace IRI
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n8http://en.wikipedia.org/wiki/Category:
skoshttp://www.w3.org/2004/02/skos/core#
rdfhttp://www.w3.org/1999/02/22-rdf-syntax-ns#
owlhttp://www.w3.org/2002/07/owl#
clgohttp://caligraph.org/ontology/
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provhttp://www.w3.org/ns/prov#
xsdhhttp://www.w3.org/2001/XMLSchema#
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clgrhttp://caligraph.org/resource/
Subject Item
clgr:Automatic_block_signaling
rdf:type
owl:NamedIndividual clgo:Railway_signalling_block_system clgo:1871_introduction clgo:1871_establishment_in_the_United_States
rdfs:label
Automatic block signaling
owl:sameAs
dbr:Automatic_block_signaling
prov:wasDerivedFrom
n8:1871_establishments_in_the_United_States n8:Railway_signalling_block_systems n8:1871_introductions n10:General_Code_of_Operating_Rules
skos:prefLabel
Automatic block signaling
skos:altLabel
Interposed Automatic Block Automatic block signals fixed block signalling BAL Automatic block signalling absolute permissive block Automatic block light signalling Automatic block Automatic Block System Automatic Block Signals Block System Rules block Automatic Signaling Block block signal automatic block signals automatic block signalling automatic block signaling automatic block automatic signalling blocks automatic signalling automatic signal block signals ABS automatic blocks block signaling