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Guyperret & Fils R
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Guyperret & Fils R
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Application filed by Guyperret & Fils RfiledCriticalGuyperret & Fils R
Application grantedgrantedCritical
Publication of FR1113233ApublicationCriticalpatent/FR1113233A/fr
B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
B43K—IMPLEMENTS FOR WRITING OR DRAWING
B43K24/00—Mechanisms for selecting, projecting, retracting or locking writing units
B43K24/02—Mechanisms for selecting, projecting, retracting or locking writing units for locking a single writing unit in only fully projected or retracted positions
B43K24/08—Mechanisms for selecting, projecting, retracting or locking writing units for locking a single writing unit in only fully projected or retracted positions operated by push-buttons
FR1113233D1954-10-271954-10-27Perfectionnements apportés aux stylographes à bille à pointe escamotable
ExpiredFR1113233A
(fr)