B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
B43K—IMPLEMENTS FOR WRITING OR DRAWING
B43K24/00—Mechanisms for selecting, projecting, retracting or locking writing units
B43K24/10—Mechanisms for selecting, projecting, retracting or locking writing units for selecting, projecting and locking several writing units
B43K24/16—Mechanisms for selecting, projecting, retracting or locking writing units for selecting, projecting and locking several writing units operated by push-buttons
Landscapes
Mechanical Pencils And Projecting And Retracting Systems Therefor, And Multi-System Writing Instruments
(AREA)
Dispositif d'alimentation en cartouches d'un appareil fonctionnant a l'aide d'une charge explosive et chargeur destine a alimenter ledit appareil
Procede pour la transformation d'un stylo a bille en un jouet lanceur de projectiles et stylo a bille adapte pour la mise en óoeuvre dudit procede.