F21V 13/08 the elements being filters or photoluminescent elements and reflectors
Introduced: September 1968
Full Title
Full titles differ between systems:
Producing particular characteristics or distribution of the light emitted by means of a combination of elements specified in two or more of main groups > Combinations of only two kinds of elements > the elements being filters or photoluminescent elements and reflectors
Producing particular characteristics or distribution of the light emitted by means of a combination of elements specified in two or more of main groups F21V1/00 - F21V11/00 (controlling the distribution of the light emitted by adjustment of elements F21V14/00) > Combinations of only two kinds of elements > the elements being filters or photoluminescent elements and reflectors
No child classifications to compare. This is a leaf node in both IPC and CPC.