CA435794A - Sheet material punching apparatus - Google Patents

Sheet material punching apparatus

Info

Publication number
CA435794A
CA435794A CA435794A CA435794DA CA435794A CA 435794 A CA435794 A CA 435794A CA 435794 A CA435794 A CA 435794A CA 435794D A CA435794D A CA 435794DA CA 435794 A CA435794 A CA 435794A
Authority
CA
Canada
Prior art keywords
sheet material
punching apparatus
material punching
sheet
punching
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
CA435794A
Other languages
French (fr)
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 CA435794A publication Critical patent/CA435794A/en
Expired legal-status Critical Current

Links

CA435794A Sheet material punching apparatus Expired CA435794A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA435794T

Publications (1)

Publication Number Publication Date
CA435794A true CA435794A (en) 1946-07-16

Family

ID=35550429

Family Applications (1)

Application Number Title Priority Date Filing Date
CA435794A Expired CA435794A (en) Sheet material punching apparatus

Country Status (1)

Country Link
CA (1) CA435794A (en)

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