[国外标准] AS NZS 1576.2-2009 Scaffolding - Couplers and accessories
[国外标准] BS 1139-6-2005 Metal scaffolding. Specification for prefabricated tower scaffolds outside the scope
[国外标准] BS 1139-3-1994 Metal scaffolding - Specification for prefabricated mobile access and working towers