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US3644707A
(en)
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Safety heater for pressure dispensed product
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US1464255A
(en)
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Electrical heating device
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US2039641A
(en)
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Immersion heater
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US2304211A
(en)
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Liquid level responsive means
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GB2232245A
(en)
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Shape memory metal actuator for a regulation device
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PL20108B1
(Direct)
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US1715687A
(en)
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Thermostatically-controlled fluid heater
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US1862065A
(en)
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Electric water heater
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US2170681A
(en)
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Glue pot
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US1968549A
(en)
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Liquid heater
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US2480470A
(en)
|
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Thermostatically controlled bath
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US2009218A
(en)
|
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Gaseous electric discharge device
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US2064248A
(en)
|
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Electric heating attachment for |
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US1355644A
(en)
|
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Electric water-heater
|
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US2039030A
(en)
|
|
Electric water heating system
|
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US1033799A
(en)
|
|
Electric heater.
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US2218999A
(en)
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Electric heater
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US1259371A
(en)
|
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Cooling system.
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US2573483A
(en)
|
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Switch for use with battery chargers
|
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US1369702A
(en)
|
|
Electric heating system
|
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US1424731A
(en)
|
|
Battery-temperature controller
|
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USRE20704E
(en)
|
|
Dental syringe |
|
US1696146A
(en)
|
|
Thermostatically-controlled heating plug
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US1676921A
(en)
|
|
Electrical apparatus
|
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US2680224A
(en)
|
|
Standard sources of electromotive force
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