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PCE
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DIFF Subgroup
G02B 5/128

transparent spheres being embedded in matrix

Introduced: July 1974

Full Title

Full titles differ between systems:

IPC:

Optical elements other than lenses > Reflex reflectors > including curved refracting surface > transparent spheres being embedded in matrix

CPC:

Optical elements other than lenses (light guides G02B6/00; optical logic elements G02F3/00) > Reflex reflectors > including curved refracting surface > transparent spheres being embedded in matrix

No child classifications to compare. This is a leaf node in both IPC and CPC.