BM-1400 標準拡散面光源用輝度計 Luminance Meter.
	BM-2000 標準拡散面光源用輝度計 Luminance Meter.
	BM-3000 標準拡散面光源用のデジタル輝度計 Luminance Meter .Luminance meter for standard diffusing surface illuminant.

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