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VICTOR-GUSTAVE LUTZ
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VICTOR-GUSTAVE LUTZ
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Application filed by VICTOR-GUSTAVE LUTZfiledCriticalVICTOR-GUSTAVE LUTZ
Application grantedgrantedCritical
Publication of FR489989ApublicationCriticalpatent/FR489989A/fr
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
B23B45/06—Hand-held or like portable drilling machines, e.g. drill guns; Equipment therefor driven by man-power
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Engineering & Computer Science
(AREA)
Mechanical Engineering
(AREA)
FR489989D1914-05-091915-05-08Perfectionnements apportés aux changements de vitesse, notamment à ceux pour chignoles à vitesse variable
ExpiredFR489989A
(fr)