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DK2799C
(en)
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Electric heater of artificial stone mass for adjustable heating of a metal body from the inside.
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FR451115A
(en)
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Process for the manufacture of electric heating bodies
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DK3062C
(en)
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Electric heating devices of artificial stone mass.
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FR533175A
(en)
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Heating process
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FR345089A
(en)
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Heater
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FR344165A
(en)
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Central heating coffee maker
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DK18834C
(en)
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Ceramic Heater for Central Heating.
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CA72963A
(en)
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Hot water heater
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CA74023A
(en)
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Hot water heater
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FR467482A
(en)
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Ceramic heaters for central heating installations
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DK3088C
(en)
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Tubular electric heater of Kunststenmasse.
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DK18647C
(en)
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Device for Sterilization of Toilet Seats and the like by Electric Heating.
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CA89986A
(en)
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Hot water heater
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CA87222A
(en)
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Hot water heater
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CA87235A
(en)
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Hot water heater
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CA88955A
(en)
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Hot water heater
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FR467170A
(en)
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Hot water heater
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DK3061C
(en)
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Plate-shaped, electric Resistors of Artificial Stone mass.
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DK7026C
(en)
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Heater for Central heating system.
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CA1823S
(en)
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Stove for heating purposes
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FR531726A
(en)
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Heater for artificial incubator
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FR470783A
(en)
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Heating process and metal casting
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DK3060C
(en)
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Tubular electrical resistors of artificial stone mass.
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FR346090A
(en)
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Hot water heater
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FR496284A
(en)
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Central heating boiler heaters
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