ltcwestgate.com.myltcwestgate.com.my/doc/testreport_spec_3m_diamond_grade.pdf · ASTM D 4956-04,...
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ltcwestgate.com.myltcwestgate.com.my/doc/testreport_spec_3m_diamond_grade.pdf · ASTM D 4956-04, Table 17. Luminance factors shall conform to proposed ASTM Type Xl. Coefficient of