文件名称
大小更新日期
29.13 MB2023-08-29
10.38 MB2023-06-06
44.21 MB2023-06-03
17.87 MB2023-03-20
14.88 MB2022-09-09
4.83 MB2022-04-06
11.81 MB2021-08-12
7.77 MB2021-07-17
331.45 KB2021-05-27
299.02 KB2021-05-11
4.43 MB2021-02-05
644.68 KB2021-01-07
126.95 KB2020-12-07
102.8 KB2020-12-05
[国外标准] DIN 655-1965 Local heating in ballistic atomic-scale contacts
234.4 KB2020-12-05
784.6 KB2020-12-03
[国外标准] BS 3338-17-1965 Methods for the sampling and analysis of tin and tin alloys - Method for the determi
192.37 KB2020-11-27
[国外标准] BS 2015-1965 Title, Glossary of paint terms. Abstract, Definitions of over 500 terms used in the pai
4.06 MB2020-11-27
[国外标准] BS 1339-1965 Definitions, formulae and constants relating to the humidity of the air
2.27 MB2020-11-27
[国外标准] BS 131.5-1965 Method for Notch Bar Test, Part 5 - Determination of Crystallinity
284.37 KB2020-11-27
43.91 KB2020-11-09
176.25 KB2020-11-09
314.41 KB2020-11-03
30.64 MB2020-07-22