conical crown telescope
Conical telescopic removable denture
telescopic crown denture
telescopic crown retained partial dentures
Telescopic crown retained removable partial dentures
3-D conical heat source
4-row conical roller bearing
accurate conical shell solution
asymmetric bi-conical antenna
authalic conical projection
Axial symmetry conical shell
axisymmetrical thin shell truncated conical unit