En资源列表

[国外标准] BS EN 1597-2-1997 Welding consumables Test methods Part 2. Preparation of test piece for single-run

[国外标准] BS EN 1594-2009 Gas supply systems. Pipelines for maximum operating pressure over 16 bar. Functional

[国外标准] BS EN 1594-2000 Gas supply systems Pipelines for maximum operating pressure over 16 bar Functional r

[国外标准] BS EN 1592-4-1998 Aluminium and aluminium alloys. HF seam welded tubes. Tolerances on dimensions and

[国外标准] BS EN 1592-3-1998 Aluminium and aluminium alloys. HF seam welded tubes. Tolerances on dimensions and

[国外标准] BS EN 1591-2-2008 Flanges and their joints — Design rules for gasketed circular flange connections P

[国外标准] BS EN 1570-2009 升降台的安全要求

[国外标准] BS EN 1570-1999 提升台的安全要求

[国外标准] BS EN 1569-1999 Surfaces for sports areas. Determination of the behaviour under a rolling load

[国外标准] BS EN 1568-4-2000 Fire extinguishing media. Foam concentrates. Specification for low expansion foam

[国外标准] BS EN 1568-3-2008 Fire extinguishing media Foam concentrates Part 3 Specification for low expansion

[国外标准] BS EN 1568-3-2000 Fire extinguishing media. Foam concentrates. Specification for low expansion foam

[国外标准] BS EN 1568-2-2008 Fire extinguishing media Foam concentrates Part 2 Specification for high expansion

[国外标准] BS EN 1568-2-2000 Fire extinguishing media. Foam concentrates. Specification for high expansion foam

[国外标准] BS EN 1568-1-2008 Fire extinguishing media Foam concentrates Part 1 Specification for medium expansi

[国外标准] BS EN 1568-1-2000 Fire extinguishing media. Foam concentrates. Specification for medium expansion fo

[国外标准] BS EN 1567-2000 Building valves. Water pressure reducing valves and combination water reducing valve

[国外标准] BS EN 1563-1997 球墨铸铁

[国外标准] BS EN 1562-1997 FOUN—ING-MALLEABLE CAST IRONS

[国外标准] BS EN 1559-3-1997 Founding Technical conditions of delivery Part 3. Additional requirements for iron

[国外标准] BS EN 1554-1999 传送带 鼓式磨擦试验

[国外标准] BS EN 1551-2000 Safety of industrial trucks - Self propelled trucksoverlO000kg capacity

[国外标准] BS EN 1550-1997 Machine-tools safety Safety requirements for the design and construction of work hol

[国外标准] BS EN 1541-2001 Paper and board intended to come into contact with foodstuffs - Determination of for

[国外标准] BS EN 1538-2000 Special geotechnical works. —iaphragm walls