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 History
JIS C 7801:2019
$53.00 $106.00
JIS C 7801:2009
$43.00 $87.00
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