CB/T 64-2007
船用焊接通风法兰
Marine welding ventilation flange
2007-03-23
CB/T 4337-2013
船用铝质通风法兰
Maine aluminum alloy ventilation flanges
2013-07-22
CB/T 48-2007
船用焊接铜法兰
Marine brazed flange
2007-03-23
CB/T 3962-2005
船用焊接异径铜法兰
Safety requirement of gas into cabin working for metal welding and incising
2005-04-11
CB/T 51-2007
船用焊接铜环松套钢法兰
Marine combination pipe flanges,slip-on steel outer flanges, braze-on brass inner flanges
2007-03-23
CB/T 3847-1999
船用扁圆形焊接钢法兰
1999-06-01