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FI4692A
(en)
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Procedure for inducing gas reactions in electric arcs
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FR442668A
(en)
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Electrical switches
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FR445390A
(en)
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carbon electrode for electric ovens
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FI5664A
(en)
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Procedure for inducing chemical gas reactions through an applied electric discharge
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CH58407A
(en)
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Electric low voltage furnace for carrying out gas reactions
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FR421357A
(en)
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Carbon electrode for electric ovens
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ES54692A1
(en)
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Procedure to produce fixed electric arcs proper for gas reactions.
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CA136818A
(en)
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Electric furnace for treating gases
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DK14426C
(en)
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Device for electric arc lamps.
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FR431028A
(en)
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Gas regulator-regulator
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CH56943A
(en)
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Gas self-seller
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CH55709A
(en)
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Air gas apparatus
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CH55034A
(en)
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Electric gas treatment furnace
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FR16936E
(en)
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Gas generator
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CH70341A
(en)
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Electric gas lamp
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CH68402A
(en)
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Electric gas lamp
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CH58767A
(en)
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Gas burner
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FR432151A
(en)
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Electric furnace-alternator
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FR17547E
(en)
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Electric furnace-alternator
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CH54627A
(en)
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Gas generator (generator)
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CH58328A
(en)
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Electric flashlight
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CH56703A
(en)
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Electric flashlight
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CH59327A
(en)
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Electric flashlight
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CH56028A
(en)
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Safety device for gas lamps
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ES49881A1
(en)
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A furnace for the electrical treatment of gases.
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