
Photography - Density measurements Part 1: Terms, symbols and notations
出版:International Organization for Standardization

專家解讀視頻
GB/T 12823.1-2008 - Identical
JIS K 7651:1988 - Identical
DIN 4512-7 (1993-01) - Identical
DIN 4512-3 (1973-01) - Similar
PN 92/C-99464.01:1992 - Identical
BS 1384-1:1985 - Equivalent