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industrial jewel
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Materials
(hierarchy name)
materials
(substances)
[materials by composition]
inorganic material
rock
(inorganic material)
[rock by form]
stone
(worked rock)
[stone by function]
industrial jewel
Scope note
Hard stone, usually ruby and sapphire, used chiefly for bearings and impulse pins in instruments and for recording needles.
UF
jewel, industrial
BT
[stone by function]
300011171
industrial jewel
Castellano
gema industrial
Català
gemma industrial
Date of creation: 29-Apr-2024
Accepted term: 29-Apr-2024
BS8723-5
DC
MADS
SKOS-Core
VDEX
XTM
Zthes