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Inventor
KITAMURA NARITOSHI
JP
2 patents
Patents
2 patents
US4741962A
May 3, 1988
Optical filter made of inorganic material for blue light
OKUNO CHEM IND CO
16 citations
71
US4741963A
May 3, 1988
Optical filter made of inorganic material for green light
OKUNO CHEM IND CO
19 citations
71