|
FR2813373A3
|
|
Non-return valve has upstream and downstream directional bleeds
|
|
FR2813363A1
|
|
Compression spring for motor vehicle suspension has gap defined in circumference to allow lateral mounting on shaft
|
|
FR2800830A1
|
|
NON-RETURN VALVE WITH MEMBRANE HELD ON A SPRING PISTON
|
|
FR2800832A3
|
|
NON-RETURN VALVE FOR EASY SERVICE AND MAINTENANCE WITHOUT TOOLS
|
|
FR2653200A1
|
|
Non-return valve.
|
|
FR2634268A1
|
|
VALVE, CONTROL DEVICE FOR FLUID AND FLUID RETURN PROTECTION APPARATUS COMPRISING SAME
|
|
IT8721980D0
|
|
Spherical ball valve
|
|
FR2602297A1
|
|
SPHERICAL BALL VALVE WITH INCORPORATED NON-RETURN VALVE
|
|
EP0084754A1
|
|
Back flow preventer for hydraulic conduits
|
|
JPS5353031A
|
|
Check valve
|
