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US2052375A
(en)
|
|
Combustion regulator
|
|
US1153547A
(en)
|
|
Thermostatic water-valve.
|
|
US2121977A
(en)
|
|
Temperature control system
|
|
US1881637A
(en)
|
|
Fuel regulating device for gas ovens
|
|
US1984892A
(en)
|
|
Thermostatically regulated mixing valve
|
|
PL35133B1
(cg-RX-API-DMAC7.html)
|
|
|
|
US3088485A
(en)
|
|
Liquid level control apparatus
|
|
US4375368A
(en)
|
|
Method and apparatus for automatic adjustment of cooling wind in a forehearth
|
|
US2285287A
(en)
|
|
Automatic control apparatus
|
|
US2128176A
(en)
|
|
Apparatus for maintaining selected differential values
|
|
US1772920A
(en)
|
|
Regulator
|
|
US2008007A
(en)
|
|
Heat control method and apparatus
|
|
US2355270A
(en)
|
|
Boiler feed water control
|
|
US2210646A
(en)
|
|
Steam pressure control
|
|
US3358922A
(en)
|
|
Modulating valve
|
|
US2289196A
(en)
|
|
Draft and burner regulator for steam boilers
|
|
US542733A
(en)
|
|
Heat-regulating apparatus |
|
US1931863A
(en)
|
|
Direct-acting heater control thermostat
|
|
US2060265A
(en)
|
|
Steam heating system
|
|
US1292516A
(en)
|
|
Thermostatic valve mechanism.
|
|
US1078790A
(en)
|
|
Fluid-mixture regulator.
|
|
US3860170A
(en)
|
|
Combination thermostat and regulator valve device
|
|
USRE14836E
(en)
|
|
Fluid-mixing apparatus |
|
US1752534A
(en)
|
|
Control device
|
|
SU441440A1
(ru)
|
|
Устройство дл подачи газа и воздуха
|