Double-injection type fuel injection valve
Double-switching valve for fuel injection system
Drip irrigation emitter embodied in a water conduit pressure com
Drip irrigation hose with pressure compensation and method for i
Drip irrigation tape having a reduced thickness portion covering
Dual fuel injection valve and method of operating a dual...
Dual mode fuel injection system and fuel injector for same
Dual mode fuel injector with one piece needle valve member
Dual-function valve