CA212888A - Perforator - Google Patents

Perforator

Info

Publication number
CA212888A
CA212888A CA212888A CA212888DA CA212888A CA 212888 A CA212888 A CA 212888A CA 212888 A CA212888 A CA 212888A CA 212888D A CA212888D A CA 212888DA CA 212888 A CA212888 A CA 212888A
Authority
CA
Canada
Prior art keywords
perforator
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
CA212888A
Other languages
French (fr)
Inventor
H. Yawman Philip
Frank Smith Robert
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.)
OFFICE SPECIALTY MANUFACTURING Co
Original Assignee
OFFICE SPECIALTY MANUFACTURING Co
Publication date
Application granted granted Critical
Publication of CA212888A publication Critical patent/CA212888A/en
Expired legal-status Critical Current

Links

CA212888A Perforator Expired CA212888A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA212888T

Publications (1)

Publication Number Publication Date
CA212888A true CA212888A (en) 1921-08-09

Family

ID=35107332

Family Applications (1)

Application Number Title Priority Date Filing Date
CA212888A Expired CA212888A (en) Perforator

Country Status (1)

Country Link
CA (1) CA212888A (en)

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