CB/T3478R80TCBT3478R80T船用软密封吸入式止回阀R/RS型
¥19CB/T3478R80TCBT3478R80T船用软密封吸入式止回阀R/RS型
¥19CBT3478/YS80HCBT3478YS80H船用青铜法兰吸入硬密封止回阀
¥19GBT589止回阀 BS16125GBT589船用法兰青铜止回阀GBT589 BS16125
¥59GBT589止回阀 A25040GBT589船用法兰青铜止回阀GBT589 A25040
¥59GBT586止回阀 BS16100GBT586船用法兰铸钢止回阀GBT586 BS16100
¥59GB/T586止回阀 A25050GB/T586船用法兰铸钢止回阀 A25050
¥59止回阀 CB/T4014-2005 AJ25J类青铜0.5MPa止回阀 CB/T4014-2005 AJ25
¥59CB/T3819止回阀CB/T3819船用不锈钢青铜板式对夹式止回阀
¥59CB/T3478止回阀CB/T3478船用法兰青铜铸铁铸钢吸入止回阀
¥59JISF7372止回阀JISF7372F7373船用法兰铸钢旋启式止回阀
¥59GB/T589止回阀GB/T589-1993船用法兰青铜止回阀
¥59