Cart
(empty)
Categories
Viewed products
-
ASTM...
ASTM B409-06(201- 6) Standard ...
-
ISO/IEC...
ISO/IEC 10027:1990 ISO/IEC ...
1.1 ,This practice covers practices in general use in the United States for lighting cotton classing rooms, provides general background information regarding the development and establishment of these practices, and prescribes a test method for appraising the color quality of lamps procured for this purpose.