JIS资源列表
-
[国外标准] JIS B7098-1988 Photography-Camera Flash Illuminants-Determination of ISO Spectral Distribution Index
-
[国外标准] JIS B7095-1997 Photographic lenses-Methods for the measurement of the effective aperture, F-number a
-
[国外标准] JIS B7021-1989 Classification and Water Resistibility of Water Resistant Watches for General Use