US4346835A
(en )
1982-08-31
Instantaneous water heater gas control valve
GB461731A
(enExample )
US2627911A
(en )
1953-02-10
Fuel control device
US3559884A
(en )
1971-02-02
Gas valve
US3915378A
(en )
1975-10-28
Manifold valve for domestic gas ovens
US3800823A
(en )
1974-04-02
Adjustable stepped-opening diaphragm gas valve
US2594430A
(en )
1952-04-29
Safety cutoff system for gas
GB406929A
(enExample )
US2318228A
(en )
1943-05-04
Control means for heating devices
GB347633A
(enExample )
US3099279A
(en )
1963-07-30
Combination thermostat and safety valve
US3212712A
(en )
1965-10-19
Thermostatic control means for gas burners
US2707078A
(en )
1955-04-26
Combined thermostat and automatic pilot control
RU60678U1
(ru )
2007-01-27
Автоматика безопасности газоиспользующих устройств
GB828435A
(enExample )
GB449114A
(enExample )
GB475773A
(en )
1937-11-25
Improvements in and relating to gas valves and controlling arrangements therefor
RU94664U1
(ru )
2010-05-27
Устройство газогорелочное
GB398458A
(enExample )
US2592424A
(en )
1952-04-08
Thermostatic control device
GB806807A
(enExample )
GB406569A
(enExample )
GB906821A
(enExample )
GB708258A
(enExample )
US2150559A
(en )
1939-03-14
Thermostatic control device