Tube and pipe fittings for engineering purposes - specification for olive type copper alloy compression tube fittings 工程用管与管接头规范.第2部分:橄榄型铜合金耐压管接头
2.
Tube and pipe fittings for engineering purposes - copper and copper alloys capillary and compression tube fittings for engineering purposes 工程用管与管接头规范.第1部分:工程用铜与铜合金毛细管与耐压管接头