JIS C 7801:2019 specifies the measuring methods of luminous quantity of lamps for general lighting such as total luminous flux and luminous intensity, and quantities related to the light-source colour.
JIS C 7801:2019
Original price was: $106.00.$53.00Current price is: $53.00.
Measuring methods of lamps for general lighting
Japanese Industrial Standard / Japanese Standards Association , 01/01/2019
