FR715048A - Double drill - Google Patents

Double drill

Info

Publication number
FR715048A
FR715048A FR715048DA FR715048A FR 715048 A FR715048 A FR 715048A FR 715048D A FR715048D A FR 715048DA FR 715048 A FR715048 A FR 715048A
Authority
FR
France
Prior art keywords
double drill
drill
double
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)
Inventor
Jean-Charles-Samuel Berthiez
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 filed Critical
Application granted granted Critical
Publication of FR715048A publication Critical patent/FR715048A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B47/00—Constructional features of components specially designed for boring or drilling machines; Accessories therefor

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR715048D 1931-04-10 1931-04-10 Double drill Expired FR715048A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR715048T 1931-04-10

Publications (1)

Publication Number Publication Date
FR715048A true FR715048A (en) 1931-11-24

Family

ID=9088717

Family Applications (1)

Application Number Title Priority Date Filing Date
FR715048D Expired FR715048A (en) 1931-04-10 1931-04-10 Double drill

Country Status (1)

Country Link
FR (1) FR715048A (en)

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