FR523867A - Improvement in drills - Google Patents

Improvement in drills

Info

Publication number
FR523867A
FR523867A FR523867DA FR523867A FR 523867 A FR523867 A FR 523867A FR 523867D A FR523867D A FR 523867DA FR 523867 A FR523867 A FR 523867A
Authority
FR
France
Prior art keywords
drills
improvement
Prior art date
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.)
Expired
Application number
Other languages
French (fr)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
METALLURG DE CHAMBERY ETS
Original Assignee
METALLURG DE CHAMBERY ETS
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by METALLURG DE CHAMBERY ETS filed Critical METALLURG DE CHAMBERY ETS
Application granted granted Critical
Publication of FR523867A publication Critical patent/FR523867A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B39/00—General-purpose boring or drilling machines or devices; Sets of boring and/or drilling machines

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR523867D 1920-01-18 1920-01-18 Improvement in drills Expired FR523867A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR523867T 1920-01-18

Publications (1)

Publication Number Publication Date
FR523867A true FR523867A (en) 1921-08-26

Family

ID=1536604

Family Applications (1)

Application Number Title Priority Date Filing Date
FR523867D Expired FR523867A (en) 1920-01-18 1920-01-18 Improvement in drills

Country Status (1)

Country Link
FR (1) FR523867A (en)

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