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[国外标准] BS EN 13623-2010 Chemical disinfectants and antiseptics — Quantitative suspension test for the evalu

845.76 KB2020-12-02

[国外标准] SAE J457-1991 CHEMICAL COMPOSITIONS,MECHANICAL PROPERTY LIMITS,AND DIMENSIONAL TOLERANCES OF SAE

17.29 KB2020-11-30

[国外标准] SAE J404-2000 Chemical Compositions of SAE Alloy Steels

21.4 KB2020-11-30

[国外标准] SAE J403-2001 Chemical Compositions of SAE Carbon Steels

29.36 KB2020-11-30

[国外标准] SAE J2016-1999 Chemical Stress Resistance of Polymers

46.56 KB2020-11-30

[国外标准] SAE AMS 2269F-2006 Chemical Check Analysis Limits Nickel, Nickel Alloys, and Cobalt Alloys

57.51 KB2020-11-30

[国外标准] SAE AMS 2249F-2005 Chemical Check Analysis Limits Titanium and Titanium Alloys

103.98 KB2020-11-30

[国外标准] AWS QC7-1993 Supplement F, Chemical Plant and Petroleum Refinery Piping

760.08 KB2020-11-28

[国外标准] BS EN 10071-1991 Chemical analysis of ferrous materials Determination of manganese in steels and iro

436.62 KB2020-11-28

[国外标准] BS EN 10036-1991 Chemical analysis of ferrous materials Determination of total carbon in

356.38 KB2020-11-28

[国外标准] ASTM F2061-07 Chemical protective clothing wearing care, and maintenance instructions

61.92 KB2020-11-16

[国外标准] JIS R7223-1997 Chemical analysis of graphite materials

678.06 KB2020-11-09

[国外标准] JIS R5204-2002 Chemical analysis method of cement by x-ray fluorescence

718.68 KB2020-11-09

[化工书籍] 英汉化学工程图解词汇

38.9 MB2020-06-20

[环保书籍] PHYSICAL–CHEMICAL TREATMENT OF WATER AND WASTEWATER

25.76 MB2020-02-27

[国外标准] JIS Z 0305:1998 Chemical cleaning of steel products

351.34 KB2019-11-28

[国外标准] JIS K0169:2012 Surface chemical analysis - Secondary-ion mass spectrometry - Method for estimating d

176.51 KB2019-11-28