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[国外标准] BS EN ISO 8491-2004 Metallic materials. Tube (in full section). Bend test.
246.21 KB2020-12-01
[国外标准] BS EN 8491-2008 Method for assessment of fire integrity of large diameter power cables for use as co
336.53 KB2020-11-28
4 MB2019-12-06
382.27 KB2019-11-19
189.91 KB2019-11-14