AR220971A1
(en )
1980-12-15
HYDRAULIC SERVO VALVE
IT1074868B
(en )
1985-04-20
HYDRAULIC STOP VALVE
ES491817A0
(en )
1980-12-16
IMPROVEMENTS IN BUTTERFLY VALVES
ES495726A0
(en )
1981-06-16
ELECTRIC HYDRAULIC SERVO VALVE
BR8005689A
(en )
1981-03-17
DOUBLE SAFETY VALVE
BR8001455A
(en )
1980-11-11
HYDRAULIC VALVE
MX147041A
(en )
1982-09-23
IMPROVEMENTS IN SOLENOID VALVE
ES488027A0
(en )
1981-01-16
IMPROVEMENTS IN VALVES FOR LIQUIDS
BR8005123A
(en )
1981-04-28
ANTI-SURVEY VALVE FOR HYDRAULIC LOCKING DEVICE AND IMPROVEMENT IN Said HYDRAULIC LOCKING DEVICE
MX150700A
(en )
1984-06-29
IMPROVEMENTS IN GATE ASSEMBLY FOR EXPANSION GATE VALVE
IT1130628B
(en )
1986-06-18
POSITIONER FOR PROPORTIONAL HYDRAULIC VALVE
ES489089A0
(en )
1980-11-01
IMPROVEMENTS IN SLIDING GATE VALVES
AR212570A1
(en )
1978-07-31
CONTROL VALVE FOR HYDRAULIC SERVO-BRAKE
AR221785A1
(en )
1981-03-13
HYDRAULIC CONTROL VALVE
BR7608284A
(en )
1977-11-29
VEHICLE AND HYDRAULIC REGULATING VALVE FOR THE SAME
BR7907811A
(en )
1980-10-14
HYDRAULIC VALVE
BR5901533U
(en )
1980-04-22
PROVISIONS APPLIED IN PASSAGE VALVE FOR HYDRAULIC VOLAS
ES495830A0
(en )
1981-07-16
IMPROVEMENTS IN DISCHARGE VALVES FOR HYDRAULIC INSTALLATION
MX154044A
(en )
1987-04-08
IMPROVEMENTS IN VALVE ACTUATION WITH LATCH FOR HYDRAULIC SYSTEMS
BR8000129A
(en )
1980-09-23
PERFORMANCE IN THERMOTASTIC VALVE FOR AUTOMOBILE
ES490768A0
(en )
1981-02-16
IMPROVEMENTS IN CASES FORGED IN STAMP FOR CLOSING OR RETAINING VALVES
IT1107470B
(en )
1985-11-25
IMPROVEMENT IN HYDRAULIC VALVES
ES502885A0
(en )
1982-12-01
HYDRAULIC SHUT-OFF VALVE HEAD
DK58181A
(en )
1982-08-12
HYDRAULIC SYSTEM BLOCK VALVE
MX150727A
(en )
1984-07-06
IMPROVEMENTS IN HYDRAULICALLY OPERATED ACTUATOR FOR UNDERWATER VALVES