CA451586A - Appareil a perforer les toles - Google Patents

Appareil a perforer les toles

Info

Publication number
CA451586A
CA451586A CA451586A CA451586DA CA451586A CA 451586 A CA451586 A CA 451586A CA 451586 A CA451586 A CA 451586A CA 451586D A CA451586D A CA 451586DA CA 451586 A CA451586 A CA 451586A
Authority
CA
Canada
Prior art keywords
sheet metal
perforating apparatus
metal perforating
sheet
perforating
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
CA451586A
Other languages
English (en)
Inventor
F. Wales George
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 CA451586A publication Critical patent/CA451586A/fr
Expired legal-status Critical Current

Links

CA451586A Appareil a perforer les toles Expired CA451586A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA451586T

Publications (1)

Publication Number Publication Date
CA451586A true CA451586A (fr) 1948-10-05

Family

ID=35569312

Family Applications (1)

Application Number Title Priority Date Filing Date
CA451586A Expired CA451586A (fr) Appareil a perforer les toles

Country Status (1)

Country Link
CA (1) CA451586A (fr)

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