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objectiveLensMaterial
URI:
https://gptkb.org/prop/objectiveLensMaterial
4
triples
GPTKB property
Random triples
Subject
Object
gptkb:Refracting_telescope
gptkb:Flint_glass
gptkb:Meudon_refractor
gptkb:glass
gptkb:Newall_Telescope
gptkb:glass
gptkb:Refracting_telescope
gptkb:Crown_glass