FR732089A - Appareil propulseur destiné à pousser des ressorts ou leviers intérieurs pour stylographes sans le secours de mécanismes extérieurs
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Appareil propulseur destiné à pousser des ressorts ou leviers intérieurs pour stylographes sans le secours de mécanismes extérieurs
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B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
B43K—IMPLEMENTS FOR WRITING OR DRAWING
B43K5/00—Pens with ink reservoirs in holders, e.g. fountain-pens
B43K5/02—Ink reservoirs
B43K5/04—Ink reservoirs flexible
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Mechanical Engineering
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FR732089D1932-02-151932-02-15Appareil propulseur destiné à pousser des ressorts ou leviers intérieurs pour stylographes sans le secours de mécanismes extérieurs
ExpiredFR732089A
(fr)