黄铜法兰 brass flange

船用铸铜法兰 Marine cast brass pipe flanges

接触垫铜法兰 Cu-Flange for contact pad

铜合金法兰盖 Copper alloy blank flanges

船用法兰青铜截止阀 Marine bronze flanged stop valves

铜合金对焊法兰 Copper alloy welding neck flanges

船用法兰青铜止回阀 Marine bronze flanged check valves

铜合金法兰 Copper alloy flanges

铜编织带法兰跨接 copper braid flange jumper