FR455260A - Procédé et dispositif de fixation des manchons à incandescence pour becs renversés sur leur anneau de support avant le brulage et le collodionnage
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Procédé et dispositif de fixation des manchons à incandescence pour becs renversés sur leur anneau de support avant le brulage et le collodionnage
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F21H—INCANDESCENT MANTLES; OTHER INCANDESCENT BODIES HEATED BY COMBUSTION
F21H1/00—Incandescent mantles; Selection of imbibition liquids therefor
F21H1/04—Suspension devices therefor
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FR455260D1912-08-261913-03-07Procédé et dispositif de fixation des manchons à incandescence pour becs renversés sur leur anneau de support avant le brulage et le collodionnage
ExpiredFR455260A
(fr)