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CA401836A - Machine a perforer le carton-platre - Google Patents

Machine a perforer le carton-platre

Info

Publication number
CA401836A
CA401836A CA401836A CA401836DA CA401836A CA 401836 A CA401836 A CA 401836A CA 401836 A CA401836 A CA 401836A CA 401836D A CA401836D A CA 401836DA CA 401836 A CA401836 A CA 401836A
Authority
CA
Canada
Prior art keywords
plaster board
perforating machine
board perforating
machine
plaster
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
CA401836A
Other languages
English (en)
Inventor
D. Benham Emmett
R. Rosenleaf John
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.)
JB Ehrsam and Sons Manufacturing Co
Original Assignee
Emmett D Benham
John R Rosenleaf
JB Ehrsam and Sons Manufacturing Co
Publication date
Application granted granted Critical
Publication of CA401836A publication Critical patent/CA401836A/fr
Expired legal-status Critical Current

Links

CA401836A Machine a perforer le carton-platre Expired CA401836A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA401836T

Publications (1)

Publication Number Publication Date
CA401836A true CA401836A (fr) 1941-12-30

Family

ID=35412281

Family Applications (1)

Application Number Title Priority Date Filing Date
CA401836A Expired CA401836A (fr) Machine a perforer le carton-platre

Country Status (1)

Country Link
CA (1) CA401836A (fr)

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