CA412391A - Perforatrice - Google Patents

Perforatrice

Info

Publication number
CA412391A
CA412391A CA412391A CA412391DA CA412391A CA 412391 A CA412391 A CA 412391A CA 412391 A CA412391 A CA 412391A CA 412391D A CA412391D A CA 412391DA CA 412391 A CA412391 A CA 412391A
Authority
CA
Canada
Prior art keywords
punching machine
punching
machine
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
CA412391A
Other languages
English (en)
Inventor
T. Youngfelt Theodore
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.)
Canadian Gypsum Co Ltd
United States Gypsum Co
Original Assignee
Canadian Gypsum Co Ltd
United States Gypsum Co
Publication date
Application granted granted Critical
Publication of CA412391A publication Critical patent/CA412391A/fr
Expired legal-status Critical Current

Links

CA412391A Perforatrice Expired CA412391A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA412391T

Publications (1)

Publication Number Publication Date
CA412391A true CA412391A (fr) 1943-05-11

Family

ID=35521556

Family Applications (1)

Application Number Title Priority Date Filing Date
CA412391A Expired CA412391A (fr) Perforatrice

Country Status (1)

Country Link
CA (1) CA412391A (fr)

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