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BE736197A
(fr)
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Inducteur pour chauffage à haute fréquence
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US3541293A
(en)
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Muffle furnace
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BE335881A
(Direct)
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US1975410A
(en)
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Electric heating furnace
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KR200441974Y1
(ko)
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와이어 형태의 발열체로 이루어진 히터 및 이를 이용한소둔로용 히팅파이프
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KR20180090486A
(ko)
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유체 가열 장치
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SE7713603L
(sv)
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Vermevexlare
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US1526320A
(en)
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Heat exchanger
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US3155758A
(en)
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Heating elements for vacuum furnaces
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KR101712512B1
(ko)
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열처리용 전기로
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US1664132A
(en)
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Electric furnace
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US1569444A
(en)
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Annealing furnace
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DE542430C
(de)
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Verfahren zum Betrieb von Thermosaeulen
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US1716083A
(en)
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Fin radiator for warm-air furnaces
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BE452320A
(Direct)
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US1026217A
(en)
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Electric water-heating device.
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BE638977A
(fr)
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Perfectionnement aux appareils de chauffage électriques à accumulation
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US1743072A
(en)
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Stove and furnace
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US825938A
(en)
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Electric cooker.
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JPS58108388A
(ja)
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熱交換器
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US3142483A
(en)
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Annealing box cover
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US135422A
(en)
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Improvement in hot-air furnaces |
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SU383226A1
(ru)
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Индуктор
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AT106990B
(de)
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Elektrischer Glüh- und Wärmeofen mit metallischen Widerstandsheizkörpern.
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SU1040289A1
(ru)
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Электрокалорифер
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