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1.63 MB2024-05-11
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598.41 KB2021-09-10
33.74 KB2020-12-08
244.39 KB2020-12-04
[国外标准] MSS SP-89-2003 Pipe Hangars and Supports - Fabrication and Installation Practices
1.21 MB2020-12-02
[国外标准] SAE AS 22759-89B-2007 Wire, Electrical, Polytetrafluoroethylene-Polyimide Insulated, Normal Weight,
200.74 KB2020-11-30
[国外标准] BS EN 89-2000 Gas-fired storage water heaters for the production of domestic hot water
1.33 MB2020-11-28
[国外标准] ASTM F717-89(R2006) Standard Specification for Football Helmets1
52.33 KB2020-11-17
[国外标准] ASTM F551-89(2000) Standard Practice for Using a 67.23-in. (1.707-m) Diameter Laboratory Test Roadwh
45.93 KB2020-11-16
[国外标准] ASTM F470-89(2009) Standard Practice for Caking Temperature of Dry Electrostatic Toner1
48.99 KB2020-11-16
[国外标准] ASTM F375-89(R2005) Standard Specification for Integrated Circuit Lead Frame Material1
75.37 KB2020-11-16
[国外标准] ASTM F1266-89(R2008) Standard Performance Specification for
78.52 KB2020-11-16