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B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
B23B—TURNING; BORING
B23B45/00—Hand-held or like portable drilling machines, e.g. drill guns; Equipment therefor
B23B45/04—Hand-held or like portable drilling machines, e.g. drill guns; Equipment therefor driven by fluid-pressure or pneumatic power
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FR977605D1942-08-251942-08-25Perfectionnements apportés aux appareils à moteur rotatif mû par un fluide comprimé, notamment aux perceuses
ExpiredFR977605A
(fr)