CA728376A - Perforated card for microfilm - Google Patents

Perforated card for microfilm

Info

Publication number
CA728376A
CA728376A CA728376A CA728376DA CA728376A CA 728376 A CA728376 A CA 728376A CA 728376 A CA728376 A CA 728376A CA 728376D A CA728376D A CA 728376DA CA 728376 A CA728376 A CA 728376A
Authority
CA
Canada
Prior art keywords
microfilm
perforated card
perforated
card
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
CA728376A
Inventor
Witte Ernst
Weihe Rolf
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.)
Brause and Co
Original Assignee
Brause and Co
Publication date
Application granted granted Critical
Publication of CA728376A publication Critical patent/CA728376A/en
Expired legal-status Critical Current

Links

CA728376A Perforated card for microfilm Expired CA728376A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA728376T

Publications (1)

Publication Number Publication Date
CA728376A true CA728376A (en) 1966-02-22

Family

ID=36067293

Family Applications (1)

Application Number Title Priority Date Filing Date
CA728376A Expired CA728376A (en) Perforated card for microfilm

Country Status (1)

Country Link
CA (1) CA728376A (en)

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