缩微摄影技术 冲洗后的缩微胶片中硫代硫酸盐残留量的测定 亚甲蓝光度法
Micrographics--Determination of residual thiosulphate in processed microfilm--Methylene blue method
标准状态
发布于:1987-03-25
实施于:1987-12-01
已废止
Micrographics--Determination of residual thiosulphate in processed microfilm--Methylene blue method