FR319934A - Machine perfectionnée pour la saturation des matières employées pour la fabrication des manchous destinés à l'éclairage à incandescence par le gaz
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Machine perfectionnée pour la saturation des matières employées pour la fabrication des manchous destinés à l'éclairage à incandescence par le gaz
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F21H—INCANDESCENT MANTLES; OTHER INCANDESCENT BODIES HEATED BY COMBUSTION
F21H3/00—Manufacturing incandescent mantles; Treatment prior to use, e.g. burning-off; Machines for manufacturing
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FR319934D1902-03-251902-03-25Machine perfectionnée pour la saturation des matières employées pour la fabrication des manchous destinés à l'éclairage à incandescence par le gaz
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(fr)