CA491296A - Machine a perforer la tuile - Google Patents

Machine a perforer la tuile

Info

Publication number
CA491296A
CA491296A CA491296A CA491296DA CA491296A CA 491296 A CA491296 A CA 491296A CA 491296 A CA491296 A CA 491296A CA 491296D A CA491296D A CA 491296DA CA 491296 A CA491296 A CA 491296A
Authority
CA
Canada
Prior art keywords
perforating machine
tile perforating
tile
machine
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
CA491296A
Other languages
English (en)
Inventor
C. Milliken Edward
M. Roth Jay
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.)
BOWERSTON SHALE CO
Original Assignee
BOWERSTON SHALE CO
Publication date
Application granted granted Critical
Publication of CA491296A publication Critical patent/CA491296A/fr
Expired legal-status Critical Current

Links

CA491296A Machine a perforer la tuile Expired CA491296A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA491296T

Publications (1)

Publication Number Publication Date
CA491296A true CA491296A (fr) 1953-03-17

Family

ID=35631038

Family Applications (1)

Application Number Title Priority Date Filing Date
CA491296A Expired CA491296A (fr) Machine a perforer la tuile

Country Status (1)

Country Link
CA (1) CA491296A (fr)

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