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Individual
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Individual
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Publication of FR517744ApublicationCriticalpatent/FR517744A/fr
A44B—BUTTONS, PINS, BUCKLES, SLIDE FASTENERS, OR THE LIKE
A44B1/00—Buttons
A44B1/02—Buttons characterised by their material
FR517744A1919-03-171920-06-24Procédé pour la fabrication des boutons ou articles du genre en ciment, platre ou matières analogues
ExpiredFR517744A
(fr)
Procédé de préparation d'un mélange servant à la fabrication du ciment de laitier, du ciment portland, de briques de laitier ou autres produits analogues