小不董
第1楼2007/02/14
ASTM D1252-00 水化学氧需要量(重铬酸盐氧需要量)的测试方法
This standard is issued under the fixed designation D 1252; the number immediately following the designation indicates the year of original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A superscript epsilon (e) indicates an editorial change since the last revision or reapproval.
zhe787904
第2楼2007/02/14
这个标准有下载吗?