FR511005A - Improvements to drilling machines - Google Patents

Improvements to drilling machines

Info

Publication number
FR511005A
FR511005A FR511005A FR511005DA FR511005A FR 511005 A FR511005 A FR 511005A FR 511005 A FR511005 A FR 511005A FR 511005D A FR511005D A FR 511005DA FR 511005 A FR511005 A FR 511005A
Authority
FR
France
Prior art keywords
drilling machines
drilling
machines
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
FR511005A
Other languages
French (fr)
Inventor
William Jacob Bayrer
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.)
WILLIAM JACOB BAYRER
Original Assignee
WILLIAM JACOB BAYRER
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 WILLIAM JACOB BAYRER filed Critical WILLIAM JACOB BAYRER
Application granted granted Critical
Publication of FR511005A publication Critical patent/FR511005A/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)
FR511005A 1916-12-18 1920-02-19 Improvements to drilling machines Expired FR511005A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US511005XA 1916-12-18 1916-12-18

Publications (1)

Publication Number Publication Date
FR511005A true FR511005A (en) 1920-12-15

Family

ID=21969343

Family Applications (1)

Application Number Title Priority Date Filing Date
FR511005A Expired FR511005A (en) 1916-12-18 1920-02-19 Improvements to drilling machines

Country Status (1)

Country Link
FR (1) FR511005A (en)

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