butt资源列表

[国外标准] DIN 2615-1964 Steel butt-welding pipes fittings tees with reduced pressure

[国外标准] BS EN 10253-4-2008 Butt-welding pipe fittings. Wrought austenitic and austenitic-ferritic (duplex) s

[国外标准] BS EN 10253-2-2007 Butt-welding pipe fittings. Non alloy ferritic alloy steels with specific inspect

[国外标准] BS EN 10253-1-1999 Butt-welding pipe fittings Part 1 Wrought carbon steel for general use and withou

[国外标准] JIS B2312-1997 Steel butt-welding pipe fittings

[国外标准] JIS B2309-2009 Butt-welding pipe fittings for light gauge stainless steel tubes for ordinary use

[国外标准] JIS F3303-1993 Flash butt welded anchor chain cables