|
US2667553A
(en)
|
|
Hermetically sealed thermostat
|
|
US3746836A
(en)
|
|
Aquarium heater
|
|
US3474372A
(en)
|
|
Temperature-responsive switch having self-contained heater
|
|
US2996591A
(en)
|
|
Detector for fires and excessive temperatures
|
|
US2804611A
(en)
|
|
Flashing light for signalling
|
|
US4075616A
(en)
|
|
Detector for alarm system
|
|
US2540527A
(en)
|
|
Thermal alarm
|
|
US3243554A
(en)
|
|
Combination motor protector and start relay
|
|
US3602864A
(en)
|
|
Thermal switch
|
|
RU157775U1
(ru)
|
|
Пожарный датчик
|
|
US3682250A
(en)
|
|
Enclosed and confined area automatic fire extinguisher hose and apparatus
|
|
US2390475A
(en)
|
|
Antifreeze device
|
|
US2496687A
(en)
|
|
Mechanical and electrical thermostatic alarm actuator
|
|
US2027068A
(en)
|
|
Fire alarm system
|
|
US3774012A
(en)
|
|
Electric safety switch
|
|
US1378730A
(en)
|
|
Overload-switch
|
|
US2825777A
(en)
|
|
Burglar alarm or the like
|
|
US856921A
(en)
|
|
Electric fire-alarm.
|
|
JPS6110196Y2
(enExample)
|
|
|
|
US2397028A
(en)
|
|
Light circuit alarm system
|
|
US1819834A
(en)
|
|
Thermostatic switch control mechanism
|
|
US2490359A
(en)
|
|
Fusible link
|
|
RU2210129C2
(ru)
|
|
Термочувствительный переключатель
|
|
US1642649A
(en)
|
|
Temperature-controlled alarm
|
|
US2791663A
(en)
|
|
Alarms
|