フロスト型全光束標準電球の配光測定

Research indexJournal article

匡亮, 真澄, 豊

JOURNAL OF THE ILLUMINATING ENGINEERING INSTITUTE OF JAPAN1 Jan 1970Open access

Journal articleOpen access

匡亮, 真澄, 豊 · JOURNAL OF THE ILLUMINATING ENGINEERING INSTITUTE OF JAPAN · 1 Jan 1970

Discussion