论坛 › 〖国外标准〗 › BS EN 14399-3 High-strength structural bolting assemblies for preloading Part3

hxyyy 发表于 2008-12-12 21:21:12

BS EN 14399-3 High-strength structural bolting assemblies for preloading Part3

BS EN 14399-3:2005 High-strength structural bolting assemblies for preloading — Part 3: System HR — Hexagon bolt and nut assemblies

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