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Manual
API
Products
Hardness, Nb, Nb-x polyhedra
Ge-Nb
Ga-Nb-Sn
B-Nb
Al-Nb
Ge-Nb-Sn
Vickers hardness number
microhardness
Knoop hardness
transitional
conductor
metal
intermetallic
disordered
cubic
tetragonal
hexagonal
orthorhombic
trigonal