Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Individual
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Individual
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Application filed by IndividualfiledCriticalIndividual
Priority to FR7509189ApriorityCriticalpatent/FR2304429A1/fr
Publication of FR2304429A1publicationCriticalpatent/FR2304429A1/fr
Application grantedgrantedCritical
Publication of FR2304429B3publicationCriticalpatent/FR2304429B3/fr
B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
B23B—TURNING; BORING
B23B49/00—Measuring or gauging equipment on boring machines for positioning or guiding the drill; Devices for indicating failure of drills during boring; Centering devices for holes to be bored
B23B49/04—Devices for boring or drilling centre holes in workpieces
Landscapes
Engineering & Computer Science
(AREA)
Mechanical Engineering
(AREA)
Drilling And Boring
(AREA)
FR7509189A1975-03-191975-03-19Machine a centrer
GrantedFR2304429A1
(fr)
