CA464932A - Perceuse pour percer simultanement trois trous l'un a cote de l'autre - Google Patents

Perceuse pour percer simultanement trois trous l'un a cote de l'autre

Info

Publication number
CA464932A
CA464932A CA464932A CA464932DA CA464932A CA 464932 A CA464932 A CA 464932A CA 464932 A CA464932 A CA 464932A CA 464932D A CA464932D A CA 464932DA CA 464932 A CA464932 A CA 464932A
Authority
CA
Canada
Prior art keywords
drilling
holes beside
drilling machine
machine
beside
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
CA464932A
Other languages
English (en)
Inventor
Alexander Nielsen Robert
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.)
Individual
Original Assignee
Individual
Publication date
Application granted granted Critical
Publication of CA464932A publication Critical patent/CA464932A/fr
Expired legal-status Critical Current

Links

CA464932A Perceuse pour percer simultanement trois trous l'un a cote de l'autre Expired CA464932A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA464932T

Publications (1)

Publication Number Publication Date
CA464932A true CA464932A (fr) 1950-05-09

Family

ID=35594665

Family Applications (1)

Application Number Title Priority Date Filing Date
CA464932A Expired CA464932A (fr) Perceuse pour percer simultanement trois trous l'un a cote de l'autre

Country Status (1)

Country Link
CA (1) CA464932A (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2820519A (en) * 1954-08-11 1958-01-21 Hallmark Cards Double hole paper drilling device
US2870658A (en) * 1955-05-17 1959-01-27 Melling Tool Company Machine tool for boring intersecting bores

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2820519A (en) * 1954-08-11 1958-01-21 Hallmark Cards Double hole paper drilling device
US2870658A (en) * 1955-05-17 1959-01-27 Melling Tool Company Machine tool for boring intersecting bores

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