anti-backfire valve 防回火阀

ANTBV Anti-Backfire Valve 防回火阀

ABV Anti-Backfire Valve 防回火阀

ACETYLENE BACKFIRE VALVE 乙炔回火阀

Backfire check valve 防逆火单向阀

ABV V Anti-Backfire Valve 防回火阀

ABV Anti-Backfire Valve Ass 阑鼗鸱

ANTBV V Anti-Backfire Valve 防回火阀

backfire by-pass valve 回火防止阀